Tibialis posterior tendonitis can be treated by general measures, medication and physical therapy. 1. General measures: patients with tibialis posterior tendonitis need to ensure adequate rest to relieve muscle tightness. At the same time, ice can be applied to the local lesion to relieve pain, or hot compresses can be applied to promote tissue repair. You can elevate and immobilize the affected area to promote blood circulation and relieve swelling. 2. Medication: If the patient has abnormal pain, he can take oral non-steroidal anti-inflammatory drugs, such as aspirin, indomethacin, ibuprofen, etc., or local injection of hormone drugs, such as triamcinolone, etc., so as to control the inflammation and reduce the symptoms of pain. 3. Physical therapy: some patients can also take shockwave therapy, which has the effect of antispasmodic, analgesic, and repair, patients after physical therapy, the efficacy is better, which can improve the prognosis. Once diagnosed with tibialis posterior tendonitis, patients need to actively cooperate with doctors to take relevant treatment measures.