The main methods of correcting the inner knee buckle include the following: First, maintain the correct standing and walking posture: avoiding the inner knee buckle and developing the habit can improve the inner knee buckle deformity. Second, massage, muscle stretching, etc.: If the inner thigh muscles are spastic and tense, massage and muscle stretching are needed to improve the muscle spasm and release the internal knee buckle deformity. Patients can also exercise the lateral thigh muscles to counteract the medial thigh muscle spasm to correct the deformity. Third, surgical treatment: If there is a change in the force line of the lower extremity, resulting in internal knee buckling, surgical treatment needs to be considered to improve the force line of the lower extremity and release the internal knee buckling deformity through osteotomy fixation. Through the above methods, the internal knee buckle can be diagnosed and treated early, which can lead to complete relief of clinical symptoms. Patients should strengthen the muscle strength training of the lower limbs and avoid bad posture in their normal life.