Frequent cramps in the elderly may have the following reasons: First, cold, cold can occur when the muscle spasms of the limbs, resulting in cramps, then pay attention to the elderly to keep warm, try to avoid cold environments, to prevent the occurrence of cramps; Second, calcium deficiency, calcium deficiency can also lead to muscle tonic spasms, resulting in cramps, then we should always supplement calcium, often sun exposure, especially post-menopausal elderly women are more prone to calcium deficiency; Third, low potassium, when low potassium can also occur symptoms of convulsions, can also lead to limb weakness, then we should conduct blood tests, if there is low potassium, then we should conduct blood tests. Third, low potassium, when low potassium can also appear twitching symptoms, can also lead to limb weakness, this time to carry out blood tests, if there is low potassium, to carry out early treatment of potassium supplementation, and at the same time to find out the cause of low potassium, if necessary, carry out the relevant endocrine examination; Fourth, neurological disorders, when there are lesions of the central nervous system, such as epilepsy or tumor stimulation, can also appear twitching, it is necessary to supplement calcium often, often sunshine, especially the postmenopausal old women are more prone to lack of calcium. Fourthly, diseases of the nervous system, when there are lesions in the central nerves of the nervous system, such as epilepsy or tumor stimulation, convulsions can also occur, and then relevant laboratory tests and examinations on nerves should be carried out for diagnosis and treatment.