The lesions that need to be alerted to for heel pain are degenerative lesions of the heel, inflammation of the heel, and trauma. 1. Heel degenerative lesions: osteophytes and fat pad atrophy of the heel can cause heel pain, which can be further diagnosed by checking the X-ray of the foot. 2. Heel inflammation (1) Achilles tendonitis: aseptic inflammation of the Achilles tendon, mostly caused by chronic injury to the Achilles tendon, the main symptoms include pain, redness, swelling, stiffness and other symptoms in the heel. (2) Plantar fasciitis: it is a chronic injury caused by long-term over-exercise, and it is also a sterile inflammation. The main symptom is heel pain, which is aggravated after activities. (3) Heel osteochondritis dissecans: chronic injury to the periosteum caused by long-term inappropriate exercise, in addition to heel pain, there are symptoms such as skin fever and pressure pain. (3) Trauma: mostly due to external force or falling violence caused by heel pain, resulting in heel fracture or soft tissue injury, common symptoms of redness, swelling and pain in the heel, can be relieved by cold compresses at the early stage of injury. If you have symptoms of physical discomfort, you should go to the hospital in a timely manner, under the guidance of a physician, to identify the cause and then give targeted treatment.