There is no specific clinical value for the average life expectancy of men with hepatitis B, but according to statistics, the survival age is on average 6-9 years less than that of healthy people. Due to viral infection, patients may experience adverse symptoms such as discomfort in the liver area, abdominal pain, etc. If left untreated, it can lead to adverse consequences such as ascites, hemorrhage, liver cancer, etc., which can be life-threatening in serious cases. However, if hepatitis B patients can follow the doctor’s advice and take active treatment, the progress of the disease can be controlled and even have the possibility of cure.1. Classification: Hepatitis B can be classified into mild, moderate and severe according to the severity of the disease, the symptoms of mild hepatitis B are mild and atypical, which can be recurring symptoms such as fatigue, dizziness, loss of appetite, yellow urine, discomfort in the liver area or slight tenderness, poor sleep and so on, such as liver function test, there are only a very small number of indexes that are mildly abnormal. Abnormal. Moderate hepatitis B is between mild and severe. Severe hepatitis B has obvious or persistent hepatitis symptoms, such as fatigue, lack of appetite, abdominal distension, yellow urine, scanty stools, etc., accompanied by dark face, rough and dry skin, red spots, plaques and spider-like red dots on the palms of the hands, and repeated or persistent elevation of aminotransferases in the laboratory tests; 2. Treatment: medication should be combined with the patient’s liver function, family history, and the degree of hepatic fibrosis, etc., and antiviral and antifibrotic treatments can also be given. Treatment: drug treatment should take into account the patient’s liver function, family history, degree of liver fibrosis, etc., antiviral and antifibrotic treatment can also be taken by traditional Chinese medicine to reduce the yellow color, liver transplantation can be considered in case of liver failure, and antiviral drugs should be applied for life in order to prevent recurrence; 3, prognosis: after suffering from hepatitis B, it should be positively treated, pay attention to the diet and regular checkups; the prognosis of mild chronic hepatitis is generally good, and it will not affect the life span. The prognosis of patients with severe chronic hepatitis is poorer, about 80% of patients will develop into cirrhosis within five years, and some of them may be transformed into hepatocellular carcinoma, which will affect the life expectancy. Patients with hepatitis B should have a regular routine and avoid staying up late. Moderately do low-intensity exercise such as walking, playing tai chi, etc., the time should not be too long, can not be strenuous. They should eat more fresh fruits and vegetables rich in vitamins and fiber, avoid overeating, and control the intake of fat and sugar to reduce the burden on the liver. It is also necessary to quit smoking and drinking to avoid liver damage.