Frequent cramps may be caused by a lack of calcium or a decrease in estrogen in the body, or they may be caused by factors such as exposure to cold. 1. Calcium deficiency: Insufficient intake of nutrients in the body may lead to malnutrition and lack of calcium in the body, which leads to increased neuromuscular excitability, and may also lead to muscle spasms and cramps in the legs. 2. Reduced estrogen: When women enter menopause or menopause, the reduced level of estrogen in the body will lead to increased osteoclast activity and accelerated calcium loss in the bones, which can easily lead to hypocalcemia, thus inducing a decrease in muscle stability and symptoms such as easy leg cramps. 3. Cold: If you don’t cover up well when you sleep at night or don’t take warm measures when you are in a cold environment for a long time, it may lead to the invasion of cold, which may also cause leg cramps and leg pain symptoms. Need to go to the hospital to do targeted examination, to find the specific cause of the problem after the symptomatic treatment, in order to make effective improvement of the symptoms.