The fecal test is positive for occult blood, suggesting blood in the stool, which can be caused by upper gastrointestinal tract diseases, anorectal diseases, taking irritating drugs, etc. After the examination reveals positive fecal occult blood, further relevant examinations are needed to clarify the cause and treat it in a timely manner to avoid delaying the disease. Common causes and related recommendations a. Upper gastrointestinal tract diseases 1, chronic gastritis: chronic gastritis patients eat spicy, cold food, will stimulate the erosion of the gastrointestinal tract mucosa triggered by bleeding, the need to find the cause for the cause of treatment, if the H. pylori infection, the need to eradicate H. pylori treatment; 2, upper peptic ulcer: H. pylori infection, irregular diet and other reasons, may lead to upper gastrointestinal tract ulcers cause bleeding, blood enters the intestine and mixes with stool, resulting in positive fecal occult blood at the time of testing, and may have symptoms such as abdominal pain, acid reflux, and loss of appetite. It can be treated with some drugs to protect gastric mucosa and acid suppression under the guidance of doctors. 3. Upper gastrointestinal tumor: If the tumor of gastric cancer patients keeps proliferating, the surface of gastric cancer also shows ulcerative changes, there will be bleeding, and when the cancer involves the surrounding blood vessels, it can also trigger the phenomenon of vomiting blood and black stool, which requires reasonable treatment plan under the assessment of doctors. 2, anorectal diseases 1, colitis: colon mucosa congestion, capillary rupture resulting in bleeding caused by positive stool occult blood, generally need to clarify the specific cause of targeted treatment; 2, intestinal tumors: colon cancer, rectal cancer of the occupying lesions, will be stimulated by defecation bleeding, resulting in positive stool occult blood, the early lesions can be surgically removed, the middle and late lesions usually need radiotherapy to control the disease Progress; 3, hemorrhoids: capillary varicose in the hemorrhoid area, blood return obstruction, capillary rupture, resulting in bleeding caused by positive fecal occult blood, you can use musk hemorrhoid suppositories and other drugs to treat, the symptoms of serious recommended timely surgery. Third, taking irritating drugs taking aspirin, glucocorticoids and other drugs, easy to damage the gastric mucosa leading to bleeding, fecal occult blood positive symptoms, you should go to the hospital in a timely manner, consult the attending physician whether you can change the drug, should not stop the drug on their own, so as not to delay the disease. Fourth, in addition to the above common cases, dysentery, rectal polyps, food poisoning, anal fistula and other conditions can also cause positive fecal occult blood. Patients need to actively cooperate with the treating doctor, check the blood routine, gastroscopy and other items to clarify the specific cause of the lesion.