Foot strain three months has been painful, generally can be closed injection, specific need to doctor according to the patient’s specific condition to decide. The closed injection is a closed therapy, is the use of local anesthesia to relieve inflammatory stimuli and improve local nutrition, thus promoting the healing of a method. Seal injection is suitable for osteoarthropathy and all parts of the body of the muscles, ligaments, tendon sheaths, fascia and synovial tissues of acute and chronic injuries or degenerative lesions. Foot strain for three months has been painful, usually for muscle or ligament strain produced by chronic injury and cause pain, need to rule out the contraindications, the contraindications for closed injection include severe liver disease, tumors and tuberculosis, sepsis and advanced severe septicemia, advanced inflammation or necrosis of large blood vessels and so on. Foot strain three months has been painful should be timely to the regular hospital, under the guidance of the doctor to choose the appropriate treatment program.