The causes of fecal incontinence in children mainly include low age, diarrhea, anal sphincter injury, congenital spinal cord injury, change of living environment or psychological factors. 1. Low age: infants and young children’s cortical function is not well developed, often cause gastro-colonic reflex when eating, resulting in the urge to poop, and can not be expressed, so it will show a high number of bowel movements and a small amount of the situation. It is easy to mistake it for fecal incontinence. 2. Diarrhea: diarrhea caused by various factors, the intestines discharge watery diarrhea, which is difficult to control. 3. Anal sphincter injury: This can lead to an inability to control bowel movements on one’s own. 4. Congenital spinal cord injury: congenital spinal cord injury, resulting in damage to the nerves, unable to control the bowel movement on their own, incontinence. 5. Changes in the living environment or psychological factors: children have psychological changes, nervousness, fear and other emotions, resulting in the inability to control bowel movements. There may be other reasons for children’s fecal incontinence, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment under the guidance of the doctor.