Positive fecal occult blood generally refers to positive fecal occult blood, which may be caused by gastric ulcer, duodenal ulcer, generally need to take acid-suppressing drugs, mucosal protection drugs, antibiotic drugs such as omeprazole, thioglycollate, amoxicillin, etc., and may be due to gastric cancer, which needs to be taken for surgical treatment. 1. Gastric ulcer: generally need to take acid-suppressing drugs and gastric mucous membrane protectors, such as omeprazole, rabeprazole, bismuth potassium citrate, aluminum thioglycollate and so on. 2. Duodenal ulcer: similar to the treatment of gastric ulcer, it is also necessary to take acid-suppressing drugs and gastric mucosal protectants. For gastric ulcer or duodenal ulcer, if there is Helicobacter pylori infection, it is necessary to take quadruple therapy, such as omeprazole, colloidal bismuth pectin, amoxicillin, metronidazole and so on. 3. Gastric cancer: early surgical treatment after diagnosis, with further radiotherapy and chemotherapy after surgery. Positive fecal occult blood generally needs to cooperate with the doctor to do further examination, to make clear which kind of cause is caused, and target medication.