The occasional bit of stool on the underpants of 8-year-old girls may be normal phenomenon, hemorrhoids, enteritis and other causes, can be life adjustment, drug treatment or surgical treatment. 1. Normal phenomenon: 8-year-old girl if you can not thoroughly clean after the stool, may lead to stool residue, the phenomenon of occasional a little stool on the underwear. It is a normal phenomenon, generally do not need special treatment. 2. Hemorrhoids: long-term constipation or diarrhea, poor defecation habits, sedentary and other reasons may induce hemorrhoids lead to hard to thoroughly clean after the stool, the phenomenon of 8-year-old girl’s underpants occasionally a little bit of stool. You can take lactulose and other drugs to increase the volume of stool to improve constipation; can also be used externally hydrocortisone ointment; if necessary, you can also use the internal hemorrhoidectomy, segmentation through the ligation and other surgical treatment. 3. enteritis: viral, bacterial and other infections may lead to diarrhea, fecal incontinence and other enteritis manifestations, appearing 8-year-old girl panties occasionally a little bit of stool phenomenon. You can take gentamicin, ribavirin and other drugs to treat it. The 8-year-old girl’s underpants occasionally have a little bit of stool may also be caused by other reasons, it is recommended to go to the hospital for further examination of blood, stool routine, colonoscopy and other items in the doctor’s guidance under the guidance of the medication, do not recommend self-medication.