Legs not straight need to be treated according to the patient’s condition, generally should be in accordance with the degree of leg straightness, the treatment taken include general treatment and surgical treatment. 1. The degree of leg not straight is relatively mild: if the patient is X-shaped leg or O-shaped leg caused by knee inversion or eversion, and the patient is a teenager, he can wear orthodontic belt; if the patient is an adult, it can be left untreated without affecting the situation, and can only be treated by surgery when needed. 2. Legs are not straight to a more serious degree: legs are not straight to a more serious degree, whether it is O-shaped legs or X-shaped legs, can only perform corrective surgery. Generally, the leg is corrected by surgical osteotomy and internal fixation, in which case the purpose of deformed leg correction can be achieved, but this method is generally applicable to the people with bony deformity. Surgery: Osteotomy with external fixation can be used to correct the leg deformity slowly. Nervous and vascular complications can be effectively avoided. It is necessary to recommend a suitable correction program according to the specific conditions of the legs, and the patient should also pay attention to the corresponding care measures, so as to make the operation more quickly recover naturally. Postoperative precautions: After surgery, pay attention to the wound area dry, avoid touching water. After the surgery, patients should rest more and do not participate in strenuous outdoor activities, so as not to cause the effect of correction to be affected. After the operation, pay attention to the diet, do not eat spicy or greasy food, which can promote the wound to recover faster. If there is any discomfort, it is recommended to visit the hospital in time.