After gastric perforation minimally invasive surgery, a little pain in the stomach is mostly considered to be caused by improper diet, and it may also be caused by peritonitis, perforated ulcer and other conditions. 1. Improper diet: If you don’t pay attention to your personal dietary habits and dietary hygiene after gastric perforation gastrointestinal surgery, resulting in ulcers in the remaining gastrointestinal portion of the stomach, and thus a little pain in the stomach. 2. Peritonitis: due to gastric perforation minimally invasive surgery leads to peritoneal irritation, acute inflammatory reaction occurs, causing peritonitis, thus causing a little pain in the stomach. Sometimes accompanied by abdominal distension, nausea, vomiting and other symptoms. 3. Perforated ulcer: As the minimally invasive gastric perforation surgery does not remove all the ulcer tissues, it leads to perforation of the ulcer, which results in a little pain in the stomach. After minimally invasive gastric perforation surgery, stomach pain may be caused by other reasons, it is recommended to go to the hospital in time, and actively diagnosis and treatment, in order to avoid adverse consequences.