Posterior tibialis tendonitis is mainly caused by prolonged overexertion and cold stimulation. Prolonged standing, running, jumping, walking and other leg activities or sports exercises can lead to excessive activity and exertion of the posterior tibial muscles and tendons, as well as prolonged exposure to cold and humid environments and other factors, which can lead to inflammatory fluid oozing out of the local congestion and edema, and the gradual formation of aseptic inflammation, and the stimulation of inflammation can lead to local pain, swelling and limited activity. When tibialis posterior muscle tendonitis occurs, should consult a doctor in time, first of all, need to reduce the excessive activities of the leg, pay more attention to rest, avoid cold. Can follow the doctor’s instructions oral diclofenac sodium and other anti-inflammatory analgesic drugs can also be applied diclofenac diethylamide ointment and other medications, but also under the guidance of the doctor to carry out the local hot compresses, accelerate blood circulation, promote the metabolism of inflammatory substances. When the occurrence of tibialis posterior muscle tendonitis need to consult a doctor in a timely manner, under the guidance of the doctor to actively carry out the appropriate treatment, will help to alleviate the symptoms of discomfort as soon as possible, do not blindly use drugs.