Self-therapy for gastric ulcer has the following aspects: 1. avoid triggers: after eradicating H. pylori, patients should avoid re-infection; 2. reduce triggers: patients keep emotional stability, regular work and rest, light diet, avoid overeating and spicy stimulating food; 3. remove triggers: avoid taking drugs that damage the gastric mucosa; 4. regular consultation and treatment: the size, location and depth of the ulcer are different, and the drugs and treatment chosen are also different, patients should have regular consultation and treatment in time while removing triggers.