White mucus in the head of stool may be caused by physiological factors such as consumption of spicy hot pot, or it may be caused by pathological factors such as bacterial dysentery and ulcerative colitis. 1. Physiological factors: frequent consumption of spicy hot pot, fried skewers, alcohol, ice cream and other spicy stimulation, cold and greasy food, may stimulate the gastrointestinal mucosa, increase the burden on the gastrointestinal tract, causing gastrointestinal mucosal congestion, edema and other inflammatory reactions, abdominal pain, diarrhea, nausea, vomiting and other symptoms, leading to the head of the stool has a white mucus, or even black stools and other situations. 2. Pathologic factors: (1) Bacterial dysentery: Dietary impurity and other causes of dysentery Shigella invasion of the intestinal tract, can appear fever, diarrhea, abdominal pain, nausea, vomiting, stool head with white sticky material and other symptoms, the serious may also lead to coma and other conditions. (2) Ulcerative colitis: Immunity, genetics, environment, infection and other factors can cause ulcerative changes in the rectum, colon and other parts of the rectum, abdominal pain, diarrhea, loss of appetite, pus and blood stools, white mucus in the head of stools and other symptoms, but also accompanied by fever, weight loss and other systemic symptoms. The head of the stool has a white sticky substance, it is recommended to consult a doctor in order to clarify the cause of the disease, under the guidance of the doctor to carry out targeted treatment.