Heel pain after playing ball may be caused by physiological factors, generally transient, after a period of rest symptoms can be relieved to disappear, but also may be related to Achilles tendonitis and other diseases. 1. Physiological factors: if the shoes do not fit the foot when playing ball will rub the skin of the Achilles tendon, local soft tissue damage and cause pain; if the shoes are not professional, jumping action is too violent may also lead to serious concussion of the heel, caused by the heel soft tissue injury. Generally, the pain caused by physiological factors can be improved after a certain period of rest. 2. Achilles tendonitis: Achilles tendonitis refers to aseptic inflammation that occurs in the Achilles tendon. If there is no good preparation activity before exercise, the venue is hard, and the exercise is too strenuous, etc. will increase the load on the Achilles tendon, and the continuous stimulation may induce Achilles tendonitis, the structure of the Achilles tendon may become abnormal, gradually fibrosis, and become more fragile, and the Achilles tendon can not withstand the load, which will cause the Achilles tendon area to be painful and swollen. In addition, heel pain may also be related to osteophytes, plantar fasciitis and other factors, if after a certain amount of rest symptoms can not be relieved or can not determine the cause of the disease, it is recommended to go to the hospital in a timely manner to seek medical attention.