Fecal occult blood can be treated with Yunnan Baiyao capsules, Stannum, and in some cases, surgery. Occult blood in stool is mainly caused by gastrointestinal bleeding, and common diseases include gastric ulcer, duodenal ulcer, ulcerative colitis and so on. For people with less bleeding, they can use Yunnan Baiyao to improve the situation. Yunnan Baiyao has the functions of stopping bleeding, activating blood circulation, detoxifying, reducing swelling and removing blood stasis, which can help to improve the gastrointestinal bleeding. In some cases, occult blood in the stool is caused by rupture of gastroesophageal varices, which requires the use of medications to lower portal pressure, such as Stannum, a growth inhibitor that has the ability to treat and stop bleeding in various gastrointestinal bleeds. In some cases, occult blood in the stool is caused by malignant tumors, such as gastric cancer and intestinal cancer, which need to be treated through surgery after diagnosis, and in some cases should be combined with radiotherapy and chemotherapy to inhibit the spread of the tumor.