Hyperextension of the knee can be corrected through functional exercises, immobilization with casts and braces, and for patients with severe symptoms, through capsular reduction surgery. The main way to correct knee hyperextension is to strengthen the functional exercise of the lower limbs, the strengthening of the muscle strength of the knee joint and the strengthening of the stability can correct knee hyperextension to different degrees, and also can wear casts and supports for immobilization to help correct knee hyperextension. For patients with severe symptoms, they can be treated with surgery, such as joint capsular reduction. Patients with hyper-extended knees should be careful to avoid all kinds of bad exercise habits on a daily basis, and can wear loose, comfortable flat shoes and avoid high heels to prevent the condition from worsening.