Frequent cramps in children’s calves may be caused by physiological factors, or by pathological factors, such as low blood calcium concentration, blood clots and epilepsy, according to the different causes of general treatment, drug treatment and physical therapy. 1. Physiological factors: If the child exercises a lot during the day, such as running and kicking a soccer ball, which makes the gastrocnemius muscle in a state of constant tension, it is easy to get cold at night and lead to cramps. Physical therapy methods such as massage and hot compresses can be effective in relieving them after exercise. 2. Decreased blood calcium concentration: Calcium deficiency is the main cause of cramps in children. Children’s growth and development have a high demand for calcium, and without adequate supplementation, the blood calcium concentration will decrease, resulting in increased neuromuscular excitability leading to cramps. Under the guidance of the physician to give calcium gluconate oral solution, vitamin D pills and other medications. 3. Thrombosis: Due to the occlusion of blood vessels in the lower limbs, the blood supply is insufficient, which may also cause foot cramps. It is necessary to check the blood vessels of the lower limbs and do electromyography in order to clarify the cause of the disease. Blood clots found after diagnosis by specialized doctors should be treated with anticoagulant therapy in a timely manner. 4. Epilepsy: In the early stage of epileptic seizure, there will be symptoms of cramps in the limbs, if the child’s hands and feet cramps need to go to the hospital to check whether there is a regional lesion of the central nervous system, hydrocephalus, brain tumors and so on can also lead to epilepsy, manifested in the symptoms of cramps in the limbs, can be used to treat the carbamazepine and other medications, it is recommended that the use of the guidance of the doctor. In addition, improper sleeping position, poor sleep quality and so on may cause children’s calf cramps. If the frequency is too frequent, it is recommended that the patient go to the hospital in time and follow the doctor’s instructions to standardize the treatment.