Hepatitis B oral entecavir has a certain effect, can control the development of the disease, but can not completely remove the hepatitis B virus, the hepatitis B virus is difficult to cure, need to be injected with hepatitis B vaccine to prevent hepatitis B virus transmission. Entecavir tablets is a nucleoside antiviral drug, mainly used for active viral replication, serum aminotransferase, gammaglutaminase elevation, chronic adult hepatitis B and other treatments, need to be applied under the guidance of a doctor, in the application of the drug during the headache, fatigue, nausea, and other adverse reactions, need to communicate with the doctor in a timely manner, children, pregnant women, the elderly need to be cautious about the application. Hepatitis B, need to follow the doctor’s instructions, regular review, pay attention to rest, avoid staying up late, ensure adequate sleep, pay attention to diet and nutritional balance, eat more fruits and vegetables, pay attention to alcohol, control fat and sugar intake, avoid aggravating the burden on the liver, and appropriate exercise, enhance physical fitness.