Signs of liver problems include digestive symptoms, liver cell damage as well as metabolic abnormalities and bleeding tendencies. 1. Digestive system symptoms: If the liver has problems, patients may experience upper gastrointestinal symptoms, such as nausea, loss of appetite, anorexia of greasy food and vomiting. 2. Hepatocellular damage: patients with liver problems may experience a marked increase in serum aminotransferases, which can lead to symptoms such as fatigue, tiredness and drowsiness. 3. Abnormal metabolism: patients with liver problems will have abnormal bilirubin metabolism, leading to jaundice, obvious yellowing of the skin and mucous membranes, and the appearance of liver disease, dark yellow color and dark yellow urine. 4. Bleeding tendency: Liver problems may also cause bleeding tendency, which is related to the reduction of coagulation factor production, and may be manifested as skin petechiae, bleeding gums and nosebleeds. If the above situations occur, the patient should consult the doctor for examination in time, and under the guidance of the doctor for active treatment.