Upon inquiry, a doctor, official website, learned that hepatitis B can apply for a catering health certificate. Hepatitis B virus is a hepatotropic virus, which mainly spreads infection through blood, body fluids, sexual contact and vertical transmission from mother to child. Hepatitis B does not spread through respiratory tract and digestive tract. It is stipulated that patients with hepatitis B can apply for a health certificate as long as their liver function is normal, and they can also engage in catering-related occupations.