Common symptoms of abnormal liver function include loss of appetite, nausea, jaundice, pain in the liver area, and generalized symptoms. 1. Digestive symptoms: Liver is an important metabolic organ in the organism, with functions of metabolism, detoxification, storage and bile synthesis. If liver function is abnormal, patients will have abnormal digestive tract function, which often manifests as loss of appetite, nausea, vomiting, anorexia, bloating, diarrhea and so on. 2. Liver pain: patients with abnormal liver function may also show symptoms such as fullness and pain in the right upper abdomen liver area. 3. Jaundice: When liver function is seriously abnormal, it may lead to abnormal bilirubin metabolism, and the patient may have the symptom of jaundice, which is mainly manifested as yellowing of the skin, yellow staining of the sclera, yellowing of the urine and so on. 4. Systemic symptoms: In addition to symptoms related to liver and digestive tract, patients may also show symptoms such as fatigue and weakness, easy to be sleepy, drowsiness and lethargy. If the patient has the above discomfort symptoms, it may suggest abnormal liver function, and need to go to the hospital in time for examination and clear diagnosis, and active treatment.