Hepatitis B two-to-five clinical common is a surface antigen, surface antibody, e antigen, e antibody, and core antibody. When the surface antigen is positive, the e antibody is positive, and the core antibody is positive, this is commonly called a minor triplet; when the surface antigen is positive, the e antigen is positive, and the core antibody is positive, this is commonly called a major triplet. This is not to say that if you have a major or minor triplet of hepatitis B, you need treatment. In fact, many cases do not need to be treated, combined with the situation of liver function, the situation of the hepatitis B virus, and of course, according to the patient’s imaging under the ultrasound performance to evaluate the patient needs to be treated, surface antibody positive suggests that after the natural infection or hepatitis B vaccination produced antibody, this is a protective antibody, immunity to the hepatitis B virus.