The clinical characteristics of acute perforation of gastroduodenal ulcer are mainly rapid onset and rapid onset, patients with previous underlying gastroduodenal diseases, when overeating, strenuous exercise or staying up late, poor physical fitness, patients may at a certain time sudden abdominal pain and rapid spread to the whole abdomen, patients are often prone to the formation of total peritonitis in a short period of time, resulting in total abdominal pain muscle tension or even total abdominal pressure pain, rebound pain of Signs of peritonitis. Patients with this condition often have severe nausea, vomiting and fever, infectious shock and other symptoms within a short period of time, the above symptoms should be promptly taken to the hospital for emergency, emergency, anti-inflammatory and anti-shock at the same time actively take a caesarean section surgery, intraoperative treatment according to the specific circumstances.