Drinking at night the next day can apply for a health certificate, health certificates are mainly for the catering industry service personnel and pharmaceutical industry, water industry, beauty industry service personnel, the main check is the basic health status of the body and there is no major infectious diseases endangering the surrounding populations, usually do the examination is the chest side tablets, to check the presence of tuberculosis. Blood tests are taken to check for the enzyme alanine aminotransferase (AAT) in the liver function, and if the AAT is more than twice as high, it is necessary to check for Hepatitis B penta-item, Hepatitis C, Hepatitis E and Hepatitis A antibodies, as well as stool cultures to check for infectious diseases of the intestines, such as typhoid fever, Vibrio cholerae, or paratyphoid fever, and other intestinal bacteria. Drinking alcohol at night and the next day is usually perfectly fine for a health license.