In hepatitis B patients often appear two kinds of red dots, one is a small round red dot, the periphery is more complete, the appearance of this small red dot, generally is the body of the occurrence of more serious coagulation dysfunction performance, common in the advanced stage of liver failure or cirrhosis, resulting in platelet significantly lower, this situation should be to the regular hospital to check the liver function, blood routine and coagulation time and so on. Another kind of red spot is spider nevus, there will be spider claw-like blood around the red spot, this is because patients with liver disease due to the metabolism of estrogen in the liver dysfunction, resulting in increased levels of estrogen in the body, spider nevus is the most common sign in patients with liver disease, which is a manifestation of liver function decompensation, and needs to be highly valued.