Five items of hepatitis B should be checked for the health certificate of Sinan Nankai Barber Shop. According to the Law of People's Republic of China (PRC) on the Prevention and Control of Infectious Diseases and the Notice of the Ministry of Health on Printing and Distributing the Administrative Measures for Health Surveillance of Occupational Hazards Contacts, people engaged in beauty salons and other industries need to undergo health examinations, including five hepatitis B examinations. Therefore, it is in line with the requirements of laws and regulations to require employees to carry out five hepatitis B tests.