Acanthofeet because of cerebral palsy Diagnose: Acanthofeet because of cerebral palsy   Plan: Diorthosis of both feet, functional exercise after operation   Purpose: Horizontal position of both feet, rectify gait of scissors The method operation: Do the operation of triple arthrodesis and the operation of Achilles tendon lengthening, Don't need to get muscle tendon from other places. Just adjust the muscle tendon of the same jont. There is no dearticulation in the articulation of hip, so it is not necessary to do the operation of the articulation of hip   Anesthesia: General anesthesia   Length of stay:2 weeks   Expend: 15-20 thousdand   Effect after operation: Try to let both feet have horizontal position as far as possible. Try to correct gait of scissors as far as possible.