A case report of congenital anorectal malformation in 21 years old female patient is presented who had history of passing urine and stools per vaginum since birth. Examination under anesthesia revealed absence of anal orifice. Ultrasonography reported a big gas filled mass in the lower abdomen. Barium contrast study was inconclusive. The diagnosis made was high anorectal malformation with big recto vaginal fistula.