Acute hepatitis lesion characteristics are also divided into mild and severe, as follows: 1, mild acute hepatitis no symptoms, because the liver is a very powerful organ, until very serious will not have performance, so some patients with mild acute hepatitis, in fact, do not have any symptoms, usually found in the physical examination, such as severe acute hepatitis has its own characteristics, which have symptoms similar to the flu, nausea, vomiting, fever, fever. But liver disease is unique in that it will have pain in the liver area, weakness, most patients first symptoms are mainly weakness, which is accompanied by nausea, vomiting, fever symptoms, do not forget to check the liver function during the examination; 2, more serious acute hepatitis patients will appear jaundice, the jaundice is not simply only skin yellow, the jaundice first skin to yellow, and then the white eyes of the eyes are also yellow, the color of urine is also yellow. The yellow color is not simply yellow, it is yellow like strong tea water, that is, yellow with red yellow, so it is called jaundice only if all three are present. However, when there is weakness, drowsiness and digestive symptoms, remember to check liver function.