Correction and stabilization for deformed feet were performed on 372 feet in 309 patients under 17 years old age at the Sam Yook Rehabilitation Center. Review of statistics, technical problems, and complications has led to followings :1. Cerebral palsy and residual poliomyelitis were the most common etiology. 2. Equinovarus deformity and its conjoined cavus deformity were the most common deformity. 3. In soft tissue surgery, tendo calcaneus lengthening was the most common procedure, and next, plantar fasciotomy. 4. In bone surgery, triple arthrodesis was the most common procedure, especially Ryerson technique. 5. Almost patients impraved their stand and gait pattern by operation.