Positive fecal occult blood may be caused by gastrointestinal bleeding, generally considered to be caused by peptic ulcers, gastrointestinal tumors and other diseases, if the recent consumption of blood products or drugs that damage the gastric mucosa can also appear related symptoms, need to improve the relevant examination and symptomatic treatment. Common causes and treatments 1, the application of damaging drugs or improper diet: pig blood, duck blood and other blood products are not fully digested in the digestive tract after consumption, which may lead to positive fecal occult blood, aspirin, azithromycin and other drugs can cause acute gastric mucosal lesions leading to bleeding, resulting in positive fecal occult blood, generally stop eating similar food and drugs, the symptoms can gradually ease; 2, gastric ulcer Gastric ulcers, duodenal ulcers: patients can appear regular pain in the upper abdomen, serious gastric bleeding, gastroscopy can be differential diagnosis, after diagnosis can use antacids such as omeprazole, ranitidine, etc. to reduce gastric acid secretion, with the application of iron to prevent anemia, serious bleeding need to be treated by gastroscopic intervention to stop bleeding; 3, inflammatory bowel disease: an immune disease, with environmental, genetic Clinical symptoms can be manifested as intermittent spasmodic pain in the right lower abdomen or around the umbilicus, mucopurulent stools may appear, and the diagnosis can be confirmed by colonoscopy. In mild cases, amino salicylic acid preparations can be applied, and in severe cases, hormones such as prednisone, immunosuppressants or biologics can be used instead, along with iron and vitamins to ensure energy supply; 4, hemorrhoids: can be manifested as bleeding, perianal itching, etc., warm water baths can be used to relieve perianal discomfort, and surgical removal should be performed when hemorrhoids are embedded or necrotic; 5, rectal polyps: generally no uncomfortable symptoms, a few patients can have blood in the stool, polyps 6.Gastric cancer: Patients may have symptoms such as anemia, emaciation, palpable mass in the upper abdomen, blood in stool, etc. Gastroscopy should be performed in time to confirm the diagnosis, and surgery should be performed in time to remove the cancerous lesions and improve the survival rate with radiotherapy and chemotherapy, if they cannot eat by mouth, they need to use parenteral nutrition such as glucose and vitamin infusion to replenish energy and apply painkillers such as diazoxide to relieve pain. Such as diazoxide can relieve pain and ensure the quality of survival. Precautions In addition to cooperating with doctors for active treatment, patients with positive fecal occult blood should pay attention to eating less and more meals in daily life and avoid stimulating foods, such as raw garlic and chili peppers. Do not eat undercooked food to avoid increasing the risk of infection. Quit smoking and drinking to avoid alcohol stimulation, and also exercise appropriately to enhance the immunity of the body.