If the patient has cramps in the area of the arch of the foot, it may be due to muscle spasm, electrolyte disorders and other etiologies, as follows: First, muscle spasm: some patients will have such symptoms secondary to overworking of the foot. This type of patients are often excessive exercise or heavy physical labor of the foot, causing the intrinsic muscles of the foot, such as toe flexors appear overworked, after which the patient will appear local muscle spasm. Second, electrolyte disorders: some patients will be due to serious electrolyte disorders, followed by such symptoms, for example, in the summer patients sweat a lot, and vomiting, diarrhea, may cause an imbalance of electrolytes in the body, the patient is often prone to muscle spasms in the foot or calf, that is, cramps.