There are long white streaks in the stool, considered to be caused by intestinal mucus, generally belongs to the normal physiological phenomenon, may also be the emergence of other intestinal diseases such as rectal prolapse. The human digestive system in the rectum, sigmoid colon, small intestine and other digestive organs in the surface mucosa, will secrete the right amount of intestinal tissue fluid, to achieve the role of laxative. And part of the human body due to the gland secretion function is stronger, it causes the feces to carry white material, generally belongs to the normal physiological phenomenon, generally do not need treatment. However, if the symptoms of intestinal mucus are accompanied by abdominal pain, diarrhea, loss of appetite and other corresponding clinical symptoms. Then there may be other related causes, such as rectal prolapse, intestinal mucositis, colitis and other digestive disorders, it is recommended to consult a doctor in time to clarify the cause of the disease and give targeted treatment.