Duck step common causes: First, children have congenital hip dislocation, there will be walking as if duck, to timely apply the following ways to deal with: first, you can give children conservative treatment. If the degree of congenital hip dysplasia is relatively mild, you can temporarily carry out conservative treatment, with a bandage to tighten the child’s hip joint, so that the head of the femur is placed within the normal anatomical position. Secondly, timely surgical treatment should be carried out. If the effect of conservative treatment is relatively poor, and the degree of congenital hip dislocation is relatively serious, this time to children’s hospital orthopedics and traumatology department for surgical reset treatment, otherwise it will affect the normal walking of children as well as the development of bones. Second, other diseases such as peripheral neuropathy. Nutritional nerve as well as rehabilitation treatment is needed.