APC surgery refers to endoscopic argon ion beam coagulation, which can have the effect of hemostasis, and is mostly used to treat gastric cancer, gastric ulcer and other conditions, and it is necessary to have more rest after the surgery, and it is not advisable to do actions to increase the intra-abdominal pressure. The Chinese name of APC surgery is endoscopic argon ion beam coagulation, which refers to the electrical conduction of the subion beam, the descending high-frequency electrical energy to the corresponding tissues, and this surgical procedure can effectively cure the treatment of extensive bleeding. Endoscopic argon ion beam coagulation is suitable for bleeding caused by gastric cancer, gastric ulcer, intestinal polyps, Barrett’s esophagus, duodenal ulcer, intestinal cancer and other lesions. Patients are advised to ensure enough rest after endoscopic argon ion beam coagulation and avoid forceful coughing or breath holding. APC usually refers to endoscopic argon ion beam coagulation, and it is recommended that endoscopic argon ion beam coagulation be used with caution in patients who have developed deep or penetrating ulcers. In addition, endoscopic argon ion beam coagulation is contraindicated in patients with pacemakers, esophageal-fundus varices, and other conditions with rapid bleeding rates.