The causes of children’s fecal incontinence mainly include the following points: 1. Symptoms caused by children suffering from diarrhea, after children suffering from infectious diarrhea or non-infectious diarrhea, it will cause the obvious dilution of stool, and this time often appear the performance of fecal incontinence. 2. Symptoms caused by congenital spina bifida, children suffering from congenital spina bifida often cause fecal incontinence and often accompanied by urinary incontinence. 3. Children with rectal tumors, if children with rectal tumors, especially the tumor invades the anal sphincter, which will also cause anal sphincter dysfunction, and then cause fecal incontinence.