Many gastric diseases need surgery for treatment, the more common ones are as follows: 1, gastric polyps, is the most common clinical microscopic operation, relatively small polyps can be directly electrocautery, slightly larger can be heat biopsy clamp removal or direct clamp removal, if larger, may require ligation for removal; 2, gastric ulcers, refers to more serious ulcers, difficult to heal or easy to induce perforation, in this case requires surgery; 3, gastric perforation, serious may even require open surgery; 4, gastric malignant tumors, in this case most need open surgery for treatment.