Unstraightened feet can be corrected by adjusting walking or sitting posture, exercise, strapping method, and surgical treatment. Most of the foot not straight is knee valgus or knee inversion, which can be caused by bone development problems, acquired sitting posture, poor walking posture and other reasons. If the symptoms are serious, it is recommended to go to the hospital in time. 1. Adjust the walking or sitting posture: keep your head up and chest out when walking, try to apply even force on the soles of your feet, don’t exert force to one side, and don’t walk with your feet in an inward or outward position. When you are sitting, your feet should be naturally placed in the right position, and your legs should be clenched, so don’t cross your legs. 2. Exercise: professional rehabilitation exercise can be carried out, according to the type of foot not straight, the corresponding exercise method. 3. Binding method: You can use elastic straps or professional orthodontic appliances. Use it for about 20 minutes a day, and the symptoms will improve with long-term use. 4. Surgery: Generally, it is suitable for patients with congenital bone development abnormality, serious knee valgus or knee entropion or joint degeneration, which can be corrected through surgical treatment. There are many reasons to correct the leg not straight, for the leg not straight caused by acquired, the most important thing is to correct the bad posture. If the symptoms are serious, it is recommended to visit the hospital in time to develop a treatment plan.