The correction of a child’s bent leg depends on the specific cause. Physiological leg curvature generally does not require special treatment; pathological leg curvature needs to be corrected according to the severity of the corresponding measures, such as conservative treatment, surgical correction. 1. Physiological leg curvature: it is mostly seen in newborn babies or young children who have not stood up and walked, with the gradual standing and walking, the symptoms of leg curvature will gradually disappear and return to the normal state; generally it will not affect the child’s normal life, and there is no need to carry out special treatments; parents can help their children to strengthen the sports and exercise, so as to make the leg muscles strong, which will be able to improve the symptom to a certain extent. 2. Pathological leg curvature: the possible causes include congenital epiphyseal developmental delay, rickets or trauma, etc. Parents are advised to take their children to pediatric orthopedics in time, and implement symptomatic treatment under the guidance of doctors. If it is caused by congenital factors, it can be corrected conservatively, and if necessary, surgery can be given to correct it; rickets needs to be treated with calcium or vitamin D supplementation as prescribed by the doctor, and assisted by improving daily diet and exercise; if it is caused by trauma, timely intervention can be made to eliminate the triggering factors, and promote the earliest possible recovery. It is recommended that parents should pay more attention to observation and care, adjust the dietary structure, find abnormalities in a timely manner, avoid blind use of medication and so on.