The pain at the bottom of the heel, mainly consider the following causes: 1, plantar fasciitis, is the most common clinical disease, especially in middle-aged and elderly people, with a history of prolonged standing or walking, after the activity of obvious pain, after rest can be slightly reduced, the plantar local pressure pain is obvious, the disease is longer patients, X-ray can see the formation of bone spurs, mainly and prolonged standing, walking The pain is mainly related to prolonged standing, walking, bearing weight on the foot, fasciitis caused by over fatigue of tendons and fascia. 2. plantar occupations, there are soft tissue standing and bony occupations, soft tissue tumors or bony lesions, which can cause pain and activity disorders. 3. ankle canal syndrome, which is due to the compression of the tibial nerve in the ankle canal, especially the compression of the heel branch of the transtibial nerve, there will be pain and numbness in the local innervation area of the sole of the foot.