According to different drug mechanisms, they can be divided into drugs that protect the gastric mucosa, antibiotic drugs that kill Helicobacter pylori, drugs that inhibit gastric acid secretion, neutralizing antacids, anticholinergic drugs, etc. . 1. Antacids: The most commonly used drugs for the treatment of hyperacidity, gastric and duodenal ulcers include sodium bicarbonate (commonly known as baking soda), aluminum hydroxide gel, calcium carbonate, 10 magnesium hydroxide, and Compound preparations such as compound aluminum hydroxide tablets, Weishuhu, Gaiweiping, Weibizhi, Weidele (the main ingredient of which is antacid). 2. Gastrointestinal antispasmodic drugs. Drugs that can relieve gastrointestinal smooth muscle spasm are one of the effects of anticholinergic drugs. Common drug names are: ① Atropine sulfate - the best effect on gastrointestinal smooth muscle spasm, but has large side effects and difficult to control the dosage; ② Compound belladonna, mainly used for gastric and duodenal ulcers and mild gastrointestinal spasms , has analgesic and secretion-inhibiting effects; ③ Prubencin is selective for gastrointestinal smooth muscle, so its inhibitory effect on gastrointestinal smooth muscle is strong and long-lasting. Anticholinergic drugs are generally only used in combination with antacids, and alone The effect is poor. 3. Proton pump inhibitors. The current drugs of choice for the treatment of peptic ulcers are those that inhibit gastric acid secretion efficiently and quickly and clear Helicobacter pylori to quickly heal ulcers. Commonly used drugs include Losec, rabeprazole, etc. 4. Antibiotics. The presence of Helicobacter pylori can also cause gastric problems that cannot be cured for a long time. When taking medicine, you can take antibiotics that can kill Helicobacter pylori, such as Sangmei, Amorin, etc. 5. Gastrointestinal prokinetic drugs. It can promote the peristalsis and tension of the upper gastrointestinal tract to return to normal, and promote gastric emptying. It is a good drug for treating gastric insufficiency, abdominal distension, nausea and vomiting. The common drug on the market is domperidine.