Weinai'an Capsules can be used to treat stomach pain caused by qi deficiency of spleen and stomach and blood stasis. It can also treat diseases such as peptic ulcer, chronic atrophic gastritis, and chronic erosive gastritis. For the medication of Weinai'an Capsules, patients should avoid eating cold, greasy, and indigestible foods. It is not suitable for patients with stomach pain caused by liver qi stagnation and spleen-stomach yin deficiency. The functions of Weinai'an Capsules are: 1. The medicine can alleviate gastrointestinal symptoms such as abdominal pain and bloating, as well as discomforts like anorexia, poor appetite, nausea, and vomiting; 2. It can effectively treat Helicobacter pylori infection and alleviate the symptoms caused by the infection; 3. Weinai'an Capsules can promote gastrointestinal motility, aid in digestion of food in the stomach, improve anorexia, and slightly relieve constipation; 4. It can be used after gastric surgery, such as gastric polyp removal or gastric malignant tumor resection, to promote the recovery of gastric function and improve the quality of life. Precautions: 1. Avoid eating cold, greasy, and indigestible foods; 2. Not suitable for patients with liver qi stagnation, mainly manifesting as impatience, irritability, distension of both ribs, and belching; 3. Not suitable for patients with spleen-stomach yin deficiency; 4. Avoid taking it together with Veratrum nigrum tablets, Wulingzhi, Gleditsia sinensis or their preparations, and radish, as it may affect the efficacy; 5. Not suitable for pregnant women.