There are many different types of liver diseases, and different liver diseases have different clinical manifestations. Common liver diseases include liver injury, liver infectious diseases, liver cancer, benign liver tumors and so on. 1. Liver injury: when liver cells are damaged due to certain reasons, abdominal pain, abdominal distension, nausea, vomiting and so on may occur, and if the condition continues to develop, it may cause gastrointestinal bleeding. 2. Infectious diseases of liver: acute and chronic hepatitis, liver abscess caused by bacterial infection, liver tuberculosis and other diseases can cause pain in the upper right abdomen, abdominal distension, loss of appetite, nausea and vomiting, fever, abnormal liver function and other symptoms. 3. Liver cancer: Early stage of liver cancer patients can have symptoms such as food loss, generalized weakness, nausea and vomiting, pain in right upper abdomen, etc. Symptoms gradually worsen in middle and late stage, and ascites, gastrointestinal bleeding, jaundice, and hepatic coma can be caused in serious cases. 4. Benign tumors of liver: common ones include hepatic hemangioma, which usually has no obvious symptoms in early stage, and if the tumor grows gradually, it may cause pain in right upper abdomen, nausea and vomiting, abdominal distension, etc. If the liver shows the above symptoms, it is recommended to take a look at the symptoms of hepatic hemangioma. If the above symptoms appear in the liver, it is recommended to go to the hospital in time to avoid delaying the condition.