1. Objective: To assess anal continence after anoplasty with preservation of internal sphincter.

2. Objective To investigate the effect of oxygen therapy on newborn infants with congenital anorectal malformations following anoplasty operation.

3. Objective:To investigate clinical effect of reconstruction of external anal sphincter and anorectal angle in the treatment of fecal incontinence after anoplasty for imperforate anus.

4. This paper reports 20 cases of congenital atresia ani treated by anoplasty through sacroperineal approach.

5. Methods Clinical data of ten cases with anal stenosis in our hospital from Apr. 2005 to Feb. 2008 treated with transferation flap anoplasty were retrospectively analyzed.

6. Conclusions The incidence of psychological disorder of children with anorectal deformity following anoplasty operation was related to the defecation function.