The back of the foot cramps are commonly caused by the following: 1, overexertion: If you participate in heavy physical labor or excessive exercise, it can lead to overexertion of the calf muscles. Patients will have symptoms of cramps in the dorsalis pedis tendon, accompanied by pain in the calf, limited local activities, the patient can not walk with normal weight, through massage, rest and hot compress treatment, can make clinical symptoms can be alleviated. 2, neuropathy: such as serious ischemia of intracranial nerves, conduction dysfunction, will also lead to clinical symptoms of cramps in the dorsalis pedis tendon, the patient will show impaired limb movement, and even pathological reflexes may occur. Therefore, dorsal foot cramps must be given great attention, early diagnosis and early treatment can make the symptoms relieved or cured, if delayed treatment can easily lead to serious complications and even threaten life safety.