Viral hepatitis B is a blood-borne liver disease mainly caused by hepatitis B virus, most of which have no obvious symptoms, and a few of them may have symptoms such as fatigue, poor appetite, poor sleep, discomfort in the liver area, diarrhea, etc. The following reasons are considered for the appearance of small blood spots: 1) hematological system diseases: e.g., idiopathic thrombocytopenic purpura; 2) rashes caused by dermatological disorders; 3) acute hepatic failure caused by acute exacerbation of chronic hepatitis B or subacute liver failure, resulting in thrombocytopenia and abnormal coagulation function; 4, chronic hepatitis B develops into cirrhosis or advanced hepatocellular carcinoma, resulting in thrombocytopenia and abnormal coagulation function. It is recommended to consult the doctor as soon as possible after the discovery of small blood spots to clarify the diagnosis, such as checking blood routine, liver function, coagulation function, liver, gallbladder, pancreas and spleen ultrasound.