The “old man night leg cramps prescription” is unscientific and not true. Leg cramps first need a clear diagnosis, such as idiopathic leg cramps, calcium deficiency, magnesium, etc., through the cause of the symptomatic treatment to alleviate. 1. Idiopathic leg cramps: need to exercise first control leg cramps, can be through the heel walking for several minutes; straighten the knee joint to lift the toes, stretching the back of the calf; independent stretching exercises to reduce pain. Severe pain under the guidance of a doctor to apply ibuprofen, acetaminophen and other drugs to relieve pain. 2. Calcium, magnesium deficiency: for the obvious lack of calcium, magnesium deficiency of leg cramps in the elderly, calcium and magnesium supplementation treatment is effective, the need for moderation. It is recommended that the elderly night cramps, long time without relief, timely consultation, identify the causes, standardized treatment under the guidance of the doctor. The elderly night leg cramps may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, to give targeted treatment or treatment.