Can. Hepatitis B virus carriers, liver function is normal, the morphology and structure of the liver is normal, you can engage in the catering industry, now catering health certificate, do not check the hepatitis B. Hepatitis B generally refers to chronic viral hepatitis B. Chronic viral hepatitis B (referred to as chronic hepatitis B) refers to chronic hepatitis B virus test is positive, the duration of the disease is more than half a year or the date of the onset of the disease is not clear and the clinical performance of chronic hepatitis. Clinical manifestations are weakness, fear of food, nausea, abdominal distension, pain in the liver area and other symptoms.