The United States Department of Health and Human Services (HHS), also translated as "U.S. Department of Health and Human Services" or "U.S. Department of Health", is the largest health agency of the U.S. federal government and the largest health agency in the United States. The official top governing body of the health care system was established by the Department of Education Organization Act (PL 96-88) signed by U.S. President Jimmy Carter on October 17, 1979. Its main responsibilities are to protect the health of the people and provide the most basic medical and health services to the people.

Barack Hussein Obama is the first African-American president, the 56th and 57th president of the United States, and an American Democratic politician. He was born on August 4, 1961 in Honolulu, Hawaii. . On October 9, 2009, Obama received the "Nobel Peace Prize" awarded by the Nobel Committee. This website is Obama's official website, which mainly consists of sections such as understanding the facts, obtaining the latest information, and joining.

This website is the official website of the United States Virgin Islands Immigration & Naturalization Service. It mainly provides immigration information, website text format content, visas, passports and other content. The U.S. Virgin Islands are part of the Virgin Islands (the other part is a British territory, namely the British Virgin Islands). It is an overseas territory of the United States. It is located on the border of the Caribbean Sea and the Atlantic Ocean. It is known as the "real American paradise".

The United States Air Force (United States Air Force; abbreviated as: USAF) is the largest and most professional air force in the world. It is an important part of the U.S. military. It was formally established on September 18, 1947, with the purpose of "passing air and air operations." Force in space protects the United States and its interests.” The USAF is composed of the U.S. Air Force Secretariat, Air Force Staff Office and combat units. The highest administrative leadership agency is the Department of the Air Force, and the highest military command agency is the Air Force Staff Department. In February 2014, the U.S. Air Force announced that it would replace BlackBerry devices with iPhones and iPads.

The U.S. Food and Drug Administration (FDA) is a specialized agency of the federal government, affiliated with the U.S. Department of Health and Human Services. It mainly supervises and manages food, dietary supplements, drugs, vaccines, biomedical preparations, blood preparations, medical equipment, radioactive equipment, veterinary drugs and cosmetics produced and imported into the United States. In addition, it is also responsible for enforcing the Public Health Act. Section 361 of the Service Act, including public health conditions and inspections of interstate travel and transportation, control of diseases that may be present in many products, etc.

USAJobs is the official website for U.S. civil service recruitment information. It is provided by the U.S. national government for branches of the federal government and is under the jurisdiction of the Federal Office of Personnel Management.

This website is the official website of the United States Department of Education. It mainly provides content on U.S. education funds, education policies, surveys, education news, department introductions, etc. The U.S. Federal Department of Education was established in 1867 and is headquartered in Washington. Its main responsibilities are to ensure that the federal government's commitment to equal access to education is realized for everyone; to continuously improve the implementation of federal education projects and continuously improve the quality of education; to encourage the public, Parents and students actively participate in education plans implemented by the federal government; promote the improvement of education quality and effectiveness through federally supported educational research, evaluation and information release; strengthen the coordination and management of federal education projects.

This website is the official website of the United States Department of Agriculture (Department of Agriculture). The U.S. Department of Agriculture is a cabinet department of the federal government whose mission is to improve the quality of life of the American people through support of agricultural production. The department includes the Food and Nutrition Service, the Marketing and Inspection Service and agencies responsible for agricultural research, education and economics.

The Library of Congress is one of the most influential libraries in the world. It is one of the four official national libraries of the United States and the earliest federal cultural institution in the United States. It was founded in 1800. Its primary responsibility is to meet the research needs of the United States Congress. The Library of Congress symbolizes American knowledge and nation and is the world's largest treasure trove of knowledge. Its collections are mostly stored in multimedia formats, including many rare books, special collections, the world's largest maps, film and television films.

This website is the official website of the Consulate General of China in Houston (CONSULATE-GENERAL OF CHINA IN HOUSTON). It mainly provides an introduction to the Consulate General, an overview of the consular district, the latest developments, news opinions, important notices, consular services, etc. The website language is available in Chinese and English. The Chinese Consulate General in Houston is the first Chinese Consulate General in the United States. It was established in 1979. The consular area includes Texas, Oklahoma, Louisiana, Arkansas, Mississippi, Alabama, Georgia, Florida and other United States. The southern region consists of eight states and the federal territory of Puerto Rico.

This website is the official website of the Consulate General of the United States in Wuhan, China. It mainly provides an introduction to the consulate, the latest news, consular services, visas, citizen services, news, culture and education, the latest news, and focus on the United States. wait. The website languages ​​are Chinese and English.

This website is the official website of the Consulate General of the United States in Shenyang, China. It mainly provides an introduction to the consulate, the latest news, consular services, visas to the United States, U.S. citizen services, U.S. policies and current affairs, understanding the United States, Business information, etc. The website languages ​​are Chinese and English.

This website is the official website of the Consulate General of the Unite States, shanghai, China. It mainly provides an introduction to the Consulate General, overview of the consular area, visas, consular services, citizen services, outreach information, and the latest developments. Current affairs news, etc. The website languages ​​are Chinese and English.

This website is the official website of the Consulate General of the United States in Chengdu, China. It mainly provides an introduction to the Consulate General, overview of the consular area, visas to the United States, U.S. policies, latest developments, outreach information, and U.S. citizens Services etc. The website languages ​​are Chinese and English.

The National Aeronautics and Space Administration (NASA) is an administrative agency of the U.S. federal government, responsible for formulating and implementing the U.S. space program and conducting space science research. NASA's official website provides the latest space images, videos and other information obtained by NASA. You can also learn about NASA's latest missions from this website.

The U.S. Department of Defense Official Website mainly provides U.S. military personnel, Department of Defense civilian personnel, military family members, the American public, the U.S. Congress and the news media with timely and accurate information about U.S. defense policies, organizations, and functions. Official information on missions and operations. In addition, you can also access the US military information network through this website and obtain relevant information.

The official website of the United Nations provides relevant information about the United Nations and more than 30 affiliated organizations of its system. United Nations organizations continue to work to increase respect for human rights, protect the environment, combat disease, and reduce poverty. In addition, the United Nations leads the international community in the fight against drug trafficking and terrorism.