Cramps in the elderly may be caused by cold, calcium deficiency, arteriosclerosis occlusive disease of the lower limbs and other factors. 1. Catching a cold: after catching a cold, the elderly will contract involuntarily due to the stimulation of local muscles by the cold, thus resulting in cramps. 2. Calcium deficiency: the ability of the elderly body to absorb calcium is relatively weak, it is easier to appear low calcium, which leads to spasmodic muscle twitching cramps. 3. Arteriosclerosis occlusive disease of the lower limbs: the patient’s legs will often cramp, especially at night, the symptoms will be aggravated. In addition, low potassium, epilepsy and other reasons, may also lead to the elderly cramps, it is recommended that patients go to the hospital in a timely manner, for relevant examinations, to clarify the cause of the disease, and then carry out the appropriate treatment, so as not to cause adverse consequences.