Hepatitis B patients can eat fish. Eating fish can be a timely protein supplement, which is beneficial to hepatitis B patients. In the absence of obvious liver damage, hepatitis B patients do not have too many contraindications to a healthy diet, and should eat fresh vegetables and fruits, as well as high-quality protein, as appropriate. Suitable foods for the liver include blueberries, cranberries, grapefruits, nuts, etc. Fruits and vegetables rich in vitamins are also more suitable. Patients can eat soy products, sea fish, shrimp, egg whites and milk, which can supplement protein. In addition, hepatitis B patients should avoid eating fried and stimulating food, as well as barbecue, etc. They should not drink alcohol, avoid eating moldy food, avoid taking drugs that hurt the liver, and they should have regular review, once every six months, with items including liver function quantification of the five hepatitis B items, hepatitis B virus DNA quantification, methemoglobin, liver ultrasound, liver elasticity, etc. If the indication of antiviral treatment is reached, antiviral treatment should be carried out in time, otherwise the disease can progress to cirrhosis or even liver cancer.