How long is the US visa valid?

Legal analysis: The U.S. Embassy in China has not clearly stipulated that American visas valid for 10 can go to the United States for multiple times, which means that American visas can enter and leave the United States for multiple times as long as their passports are valid for 10 years. Legal basis: Article 6 of the Regulations on the Entry and Exit of People and Foreigners in China is divided into the following categories, and the corresponding Chinese Pinyin is marked on the visa: (1) A C visa is issued to international train attendants, crew members of international aircraft, crew members of international sailing ships and their accompanying families, and automobile drivers engaged in international road transport. (2) D visa, issued to permanent residents. (3) F-visa, which is issued to those who enter the country for exchange, visit, inspection and other activities. (4) G visa, which is issued to persons passing through China. (5) J 1 visa, issued to foreign resident journalists of foreign news agencies in China; J2 visa is issued to foreign journalists who enter the country for short-term interviews. (six) L visa, issued to inbound tourists; If you enter the country as a group, you can issue a group L visa. (seven) M visa, issued to the entry of personnel engaged in business activities. (8) Q 1 visa, which is issued to the families of China citizens who apply for entry and residence due to family reunion, the families of foreigners who have permanent residency in China, and those who apply for entry and residence due to foster care; Q2 visas are issued to relatives of China citizens living in China and foreigners with permanent residency in China to apply for short-term entry to visit relatives. (9) R visas are issued to foreign high-level talents needed by the country and urgently needed professionals. (10) Issue visas with the words S 1 to the spouses, parents, children under the age of 18, parents of spouses and persons who need to stay in China for other personal reasons of foreigners who apply for long-term visits; S2 visa is issued to the families of foreigners who apply for short-term entry to visit relatives, stay in China for work and study, and those who need to stay in China for other personal reasons. (11) X 1 visa, issued to those who apply for long-term study in China; X2 visa is issued to those who apply for short-term study in China. (twelve) Z visa, issued to people who apply for work in China.