The most common cause of this condition is plantar fasciitis, which is treated as follows: 1. rest: avoid walking with weight, or avoid long and long distance walking, sports, which allows the plantar fascia to repair itself in a quiet mechanical environment. 2. physiotherapy: use local heat to improve the blood circulation of the plantar fascia, for example, you can The physiotherapy can improve the blood circulation and eliminate the pain by applying local heat, such as soaking the feet for half an hour every day, using infrared light to irradiate the painful area, and using moxibustion. 3, plantar tendon stretching activities: by stretching the plantar tendon, the flexibility and stretching of the tendon can be increased to prevent secondary damage to the plantar fascia.