There are many different types of liver diseases and the signs and symptoms vary from person to person, but in the early stages of development they usually manifest as abnormal liver function. If liver function is abnormal, it may lead to a variety of functions being affected. In addition to liver discomfort, abnormal digestive function, abnormal metabolism, abnormal synthetic function, liver cell damage, etc. may also be seen. The main manifestations are as follows: 1. liver discomfort: mainly manifested as vague pain in the liver area; 2. abnormal digestive function: symptoms such as loss of appetite, nausea, vomiting, aversion to grease, abdominal pain and diarrhea may occur; 3. metabolic abnormalities: jaundice may occur if bilirubin metabolism is abnormal; abnormal sugar metabolism may lead to diabetes or hypoglycemia; abnormal fat metabolism may lead to fatty liver; abnormal vitamin metabolism may lead to Night blindness, rough skin, edema and other symptoms; hormone metabolism abnormalities will appear menstrual disorders, spider nevus, liver palm, dark face, etc.; 4, abnormal synthetic function: abnormal synthesis of albumin will lead to ascites or pleural effusion; abnormal synthesis of coagulation factors will lead to gum bleeding, nosebleeds, or anemia and other symptoms; 5, liver cell damage: will cause fatigue, weakness, drowsiness, poor mental state and other conditions; 6 , others: yellowing of urine, persistent low fever, itchy skin, ascites, etc. If the above symptoms occur, or other uncomfortable conditions, it is recommended to go to the hospital in a timely manner. Avoid further deterioration of liver disease, leading to the appearance of other symptoms.