Patients with duodenal ulcer can take ginseng, which can change the reactivity of the body, can enhance the body’s ability to respond to harmful stimuli, will strengthen the body’s adaptability, and ginseng can also improve immunity, and has a certain protective effect on the stress response induced by various stimuli of the body. Patients with duodenal ulcers take ginseng because it can protect cells from oxidant damage and also promote the proliferation of capillaries and small blood vessels, improve blood circulation around the ulcer surface, and have better nutritional conditions for the healing of duodenal ulcers. Therefore, ginseng can accelerate the healing of duodenal ulcers, improve the immunity of the body, and promote the recovery of the disease.