Patients jumping rope appear soreness in the middle of the sole of the foot, the following reasons are common: 1.The shoes worn by patients in the process of jumping rope are not professional sports shoes, but shoes with hard soles, which will produce the shock of the sole of the foot in the process of jumping rope, thus affecting the blood circulation in the muscles of the sole of the foot, producing acidic metabolites, resulting in the clinical performance of soreness in the middle of the sole of the foot, and the pain symptoms will be relieved naturally after replacing the shoes. 2.Patients usually Seldom participate in sports activities, plantar muscles strength is seriously insufficient, in the process of jumping rope will cause plantar muscles strain, which can produce plantar middle soreness symptoms. 3, the patient has chronic inflammation of plantar fascia, inflammation stimulates nerve, which can make the patient appear plantar middle soreness symptoms, meanwhile the arch may be abnormal, such as low flatness, which can be found by taking X-ray film.