Heel pain, also known as achalasia, is a painful condition that occurs when weight is placed on the heel of the foot. Heel pain can be divided by location into heel-plantar pain and posterior heel pain. There are many causes of heel pain, such as metatarsal tendon membrane and metatarsal long ligament damage, heel epiphysitis, heel osteoarthritis (rheumatoid), heel bone spur, heel nodal bursitis, etc. The relationship between heel pain and heel spurs must be clarified in its diagnosis. Heel pain is a symptom, so its primary cause should be identified first. Heel pain in adolescents or children is mostly due to heel epiphysitis, which is manifested as gradual pain when fighting and standing or walking, with no or slight local swelling. The main cause of heel pain in young or middle-aged people is rheumatoid achondroplasia or post-intestinal rheumatoid disease. Patients feel swelling and pain at the back of the heel and the bottom of the heel, and are afraid to bear weight and have difficulty walking. Heel pain in the elderly is often caused by heel spurs, heel nodule bursitis and fat pad degeneration in the heel. The pain is aggravated by sudden rising after prolonged sitting or lying. The pain decreases after a little activity, but increases again after prolonged walking. In elderly people with heel pain, there is significant soft tissue pressure around the plantar heel spine, and there is also pressure pain in the metatarsal tendon membrane and metatarsal long ligament, and heel bone spurs can be detected by X-ray. The treatment of heel pain is generally non-surgical and the symptoms can be relieved after a period of treatment. If inflammatory tissue is formed in the heel and non-surgical treatment is ineffective, surgical treatment can be considered to remove the inflammatory tissue.