Objective Comparison of different incisions on the effect of congenital hypertrophic pyloric stenosis .Methord On the umbilical arc incision compared to the cases of abdominal transverse Incision on the right .Result Umbilical arc incision group and right upper quadrant abdominal transverse incision group operation time required,mucosal rupture,serosal laceration,incision infection,no differences.In the six months to 1 year after review,the wound healing of umbilical arc incision group is good,can hardly see the wound scar.Abdominal transverse incision group with wound scar be clearly visible .Conclusion Umbilical Incision is good wound healing and the scar is not obvious.Umbilical Incision has a cosmetic effect.