Moldy things harm the body by causing digestive tract infections, increasing the incidence of cancer and so on. 1. Digestive tract infection: due to moldy things contain a large number of bacteria or fungi, such as mold, aflatoxin and so on. If eaten in large quantities, it is easy to cause flora disorders in the digestive tract, causing gastrointestinal infections, abdominal pain, diarrhea, nausea, vomiting, fever and other symptoms. In severe cases, it may also cause systemic inflammation and infectious shock, which is life-threatening. 2. Increase the incidence of cancer: moldy things contain carcinogens such as aflatoxin, intake of moldy things, aflatoxin will enter the body through the digestive system, causing acute lesions in the gastrointestinal tract and liver, so that the incidence of gastric cancer, liver cancer and other diseases. Therefore, moldy things can not be consumed, so as not to cause harm to the body.