Spinal cord injury patients are often accompanied by muscle spasm of both lower extremities in the late stage, which seriously affects patients’ daily life, such as the problem of getting in and out of wheelchairs, perineal care, etc. At present, there are three ways and steps to solve the problem of muscle spasm of both lower extremities in spinal cord injury patients: 1. oral baclofen to reduce the problem of muscle spasm, but it often causes general weakness; 2. according to the actual needs of patients, retain the favorable muscle spasm, remove the unfavorable muscle spasm, and increase the practical training of daily life activities; 3. baclofen pump is buried in the body, and baclofen is released slowly at regular intervals to play a role in relieving muscle spasm.