Gastroparesis mostly manifests as pain in the middle and upper abdomen. There are many reasons for stomach pain, such as eating too much or poor emptying of food in the stomach, which will trigger gastric distension; when eating irritating food, it will cause gastric smooth muscle spasm, which will trigger gastric colic; if the gastric mucosa is damaged, there is erosion or ulceration, it will also trigger stomach pain. Gastroparesis occurs in the middle and upper abdomen, acute gastritis is mostly in the middle and upper abdomen pain, accompanied by abdominal distension, nausea, vomiting, loss of appetite, etc.; chronic gastritis manifested in the middle and upper abdominal distension discomfort, accompanied by early satiety, belching; gastric ulcers manifested in the chronic, cyclical in the middle and upper abdominal pain, pain can be relieved after eating; if there is a sudden in the middle and upper abdominal pain or burning pain, mostly perforation of gastric ulcers. If the above symptoms occur, it is recommended to go to the hospital in time, and early formal treatment.