The positive stool test for occult blood in babies usually suggests the following possibilities: 1, the positive occult blood has a certain correlation with the baby’s diet, if the baby ingested animal blood, such as eating pig’s blood, will appear positive occult blood, eating pig’s liver will also appear positive occult blood. 2, if the baby ate some drugs will also appear positive occult blood, such as taking iron, the occult blood test is likely to appear positive. 3, more common is to consider the baby has gastrointestinal bleeding. The more common is to consider that the baby has gastrointestinal bleeding, usually intestinal bleeding greater than 5mL stool test occult blood can be positive. There are many reasons for a positive stool test for occult blood, including bleeding caused by viral and bacterial infections that damage the intestinal mucosa, bleeding caused by intestinal polyps, bleeding from the intestinal mucosa caused by coagulation dysfunction, and some children may be intestinal entrapment, or even inflammatory bowel disease, which can all appear positive for occult blood.