One heel pain mainly has the following causes: 1, plantar tendonitis: the starting point of the plantar tendon membrane is in the heel bone, and the termination point is at the base of the metatarsal bone. If you often walk with weight, up and down stairs, hiking, hiking, it will cause the plantar tendon membrane to produce higher tension and bear more load, so there will be a sterile inflammation of the plantar tendon membrane, manifested as localized soreness and pain. If the starting point of the plantar tendon membrane is inflamed, the pain is mainly confined to the heel bone area, near the heel bone. 2, heel bursitis: heel bursa is located directly below the heel bone, if often wear high heels or often up and down stairs, weight walking, will cause the heel bone compression heel bursa, will also cause inflammation of the bursa, so that the pain will occur directly below the heel bone.