There is a layer of white film around the stool, which is the shedding of intestinal mucosa. Considering the physiological causes may have the reasons such as unclean diet, overeating, etc. The disease causes may have the reasons such as chronic enteritis and ulcerative colitis. 1. Physiological reasons: eating cold, spicy, stimulating food, irregular diet and other factors. Stimulation of the intestinal mucosa causes intestinal mucosal detachment. It is recommended that regular diet take easy to digest food, such as millet porridge and so on. 2. Disease causes: chronic enteritis caused by bacterial infection of the intestinal mucosa lesions, resulting in shedding of intestinal mucosa shedding and feces mixed with the formation of a white film on the surface. Ulcerative colitis is due to the intestinal mucosa erosion, ulceration, resulting in serum protein exudation and the formation of mucus and fecal parcels. The white membrane wrapped in the stool has been appearing, after excluding the physiological reasons, it is recommended to go to the hospital, please ask the doctor to make a judgment, should not be blindly judged on their own.