Pain in the medial tendon of the arch of the foot is most likely due to inflammation of the tendon or tendon sheath at the bottom of the foot. The majority of people who experience this symptom walk for long periods of time, over-training of professional athletes can also cause this symptom, and pain can occur after a localized trauma that may turn into an old injury. Pain in this position can be aggravated by prolonged standing posture or after walking for a long time. Once the position of the pain, must promptly reduce the activities of the foot in the local, can be applied to activate blood circulation and eliminate blood stasis of topical drugs, if the pain is more serious, can be taken orally to soothe tendons and activate blood circulation, the Chinese patent medicines, as well as painkillers. If not relieved after treatment for about 3 days, it is best to go to the regular hospital for examination and then symptomatic treatment.