Sticky stools in teenagers may be caused by indigestion, colitis, gastroenteritis and other reasons. 1. Indigestion: If teenagers eat a lot of high-protein or high-fat food, but dietary fiber and vitamin food intake is insufficient, it will lead to sticky stools, and thus the phenomenon of sticking to the toilet. 2. Colitis: adolescent colitis patients are often accompanied by intestinal flora imbalance. With the development of the disease, the intestinal tract will continue to be congested, disturbing the normal physiological function of the intestinal tract, so that the feces can not be shaped, feces stick to the toilet. 3. Gastroenteritis: Gastroenteritis refers to the inflammatory reaction of the gastrointestinal mucosa, mostly due to bacterial, viral and parasitic infections, and the reflux of digestive juices or improper diet can also lead to the occurrence of this disease, and adolescents will be mucus, pus and blood, which will lead to the stool sticky toilet. The symptoms of sticky stool, need to go to the hospital in time for examination, according to the cause of the targeted treatment. At the same time, patients need to improve the regularity of life, adjust the diet, avoid spicy and stimulating food.