Cholecystitis includes acute cholecystitis and chronic cholecystitis. Symptoms of acute cholecystitis often include sudden abdominal pain and fever; chronic cholecystitis is chronic abdominal pain. 1. Acute cholecystitis: common causes are gallstones, bile duct obstruction and bacterial infection. Common symptoms of epigastric pain, which can gradually develop into severe paroxysmal colic, usually appearing after overfeeding. Patients are also often accompanied by mild to moderate fever, chills; nausea, vomiting and other gastrointestinal symptoms may also occur, skin, sclera may appear yellow stain. 2. Chronic cholecystitis: many patients with chronic cholecystitis do not see obvious gastrointestinal symptoms, some patients may experience epigastric discomfort, usually after eating or at night, which may be accompanied by a feeling of fullness and bloating, belching, abdominal pain, and recurrent episodes. If there is an acute attack of chronic cholecystitis, severe abdominal pain, fever, and even toxemia may also occur. When cholecystitis occurs, it is recommended to go to a regular hospital for consultation and active treatment.