Long-term stomach bleeding and rapid weight loss may be caused by stomach ulcer, stomach cancer and other reasons. It can be treated by life management, medication or surgery. 1. Gastric ulcer: Drinking alcohol, improper diet, Helicobacter pylori infection and other reasons may lead to gastric ulcer with long-term gastric bleeding and rapid weight loss. You can take omeprazole, pantoprazole and other drugs to inhibit gastric acid secretion; take aluminum sulfate, colloidal bismuth and other drugs to protect gastric mucosa and promote mucosal repair. Gastroscopy is needed to stop bleeding if necessary. If there is Helicobacter pylori infection, it is also necessary to cooperate with antibiotics such as clarithromycin and amoxicillin to form quadruple antimicrobial drug treatment on the basis of the above two types of drugs. 2. Gastric cancer: many factors work together to induce gastric cancer, which can invade blood vessels to show long-term gastric bleeding and rapid weight loss. Especially patients with high age should be alert to the alarm symptoms such as wasting, anemia, etc., and improve the examination in time, and early stage patients can be treated with major gastrectomy or total gastrectomy. Prolonged gastric bleeding and rapid weight loss may also be caused by other reasons. It is recommended to consult the doctor in time, under the guidance of the doctor for treatment, do not recommend self-medication. It is also necessary to eat a light diet, avoid smoking and alcohol, do not take spicy stimulation, greasy, cold and other foods.