There is no special prescription for leg cramps. The causes of leg cramps may include calcium deficiency, cold, etc. They can be relieved by massaging the leg muscles, stretching the toes toward the back of the foot, and medication. Leg cramps are clinically known as leg muscle spasms, which refers to spontaneous tonic contractions of the calf muscles accompanied by severe pain. It includes idiopathic leg cramps and secondary leg cramps. The former is mainly caused by excessive muscle tension, age, and muscle ischemia, while the latter is mainly secondary to pregnancy, vitamin D and calcium deficiencies, and infections. Calf muscle cramps can be relieved by massaging the gastrocnemius muscle on the affected side of the calf to relax the muscle and promote blood circulation; they can also be relieved by stretching the toes toward the back of the foot. If it is caused by calcium and vitamin D deficiency, calcium and vitamin D supplementation can be carried out, and it should be noted that excessive use of calcium and vitamin D may have toxic effects. Frequent calf muscle spasms, it is recommended to go to the regular hospital in a timely manner to identify the cause, timely treatment, do not blindly use prescriptions.