Pain below the ribs above the left abdomen, generally speaking, there are the following conditions: a. gastric ulcer, the stomach is located in the upper left abdomen of the body, if the ulcer trauma of the stomach is large, a large amount of gastric acid will stimulate the ulcer trauma, causing painful symptoms. Especially after a full stomach, the patient’s pain symptoms are especially obvious. In this case, oral omeprazole and pantoprazole can be given to reduce the secretion of gastric acid, and Daxil tablets can be added to protect the ulcer wound and reduce the patient’s pain. Second, spleen rupture, the spleen is located in the upper left abdomen of the body, behind the stomach. If a patient has pain under the ribs in the left upper abdomen after a fall, be alert to the possibility of spleen rupture. Patients need to improve abdominal CT to assess the presence or absence of perisplenic effusion. If there is bleeding from a ruptured spleen, surgical exploration is needed as soon as possible to avoid endangering the patient’s life by causing hemorrhagic shock.