Calf pain after cramps may be due to over fatigue, cold stimulation or calcium deficiency and other factors, the patient should be for the cause of active treatment. 1. Excessive fatigue: in the daytime prolonged exercise or prolonged heavy physical labor, the muscles can not be well relaxed after cramps calf pain, is a normal physiological phenomenon, the patient should be appropriate rest, avoid overwork. 2. Cold stimulation: If the cramps are caused by cold stimulation, patients need to pay attention to the warmth of the calf, especially at night when sleeping, and avoid strenuous activities, so as not to cause injury again. 3. Calcium deficiency: If the cramps are caused by calcium deficiency, patients can use calcium gluconate, calcium carbonate and other medications under the guidance of the doctor, and at the same time should be more sun exposure, appropriate exercise, vitamin D supplementation to promote the absorption of calcium. If the symptoms continue to be unrelieved it is recommended to consult a doctor in a timely manner, should be examined by a doctor, after clarifying the cause of the targeted treatment or treatment under the guidance of the doctor.