Heel pain can be caused by plantar fasciitis or gout. 1. Plantar Fasciitis: Normal human foot plantar fascia, plantar fascia of the front end of the joints close to the toes, the back side of the heel bone attached, responsible for cushioning the body weight and maintain the stability of the human body standing posture, usually if you walk more or to participate in large sports training, may lead to the emergence of the plantar fasciitis, caused by the symptoms of the pain in the medial side of the heel. 2. Gout: the body due to purine metabolism disorders caused by gout, there may be an accumulation of the heel area, resulting in urate crystals in the heel area and the body’s immune system to react, causing immune complex deposition, may also lead to the symptoms of pain in the inner heel. Inner heel pain may also have other causes, such as trauma, plantar fasciitis, flat feet, etc. It is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment under the guidance of the doctor.