One plus sign of fecal occult blood indicates that there is a small amount of bleeding in the digestive tract, which may be caused by damage to the mucous membrane of the digestive tract, and can be treated with dietary modification, medication, surgery, and so on. 1. Dietary adjustments: fecal occult blood indicates the presence of a small number of blood cells in the intestinal tract, intestinal mucosal damage occurs, then you should try to eat food that does not stimulate the intestinal mucosa, such as rice porridge, noodles and other foods, less spicy stimulating greasy food. 2. Medication: When intestinal mucosal damage occurs, patients can take gastric mucosal protection drugs under doctor’s advice, such as colloidal bismuth pectin, potassium bismuth citrate and other drugs, which can form a protective layer outside the intestinal mucosa and reduce the occurrence of irritation. 3. Surgical treatment: patients can do a colonoscopy, which can diagnose whether the intestines produce digestive polyps, tumors and other diseases, which will lead to a positive fecal occult blood test, and can be surgically removed after a clear diagnosis. Patients with occult blood in the stool should go to the hospital for examination and timely treatment after clarifying the cause of the disease.