The symptoms of leg cramps in 45-year-old women are mainly caused by calcium deficiency in the body. Because of this age patient’s physical condition, endocrine disorders or calcium metabolism abnormalities and other factors, will lead to the body to appear muscle pain as well as cramps and other symptoms. Therefore, in this case, you should eat more meat, eggs, milk and other calcium-rich foods, strengthen the functional exercise to maintain the stability of the limbs and lumbar vertebrae, and give timely calcium supplementation and anti-osteoporosis symptomatic treatment. If there is no relief within a short period of time, you must go to the regular hospital in time, improve the necessary auxiliary examination, after clarifying the cause, choose a more reasonable treatment method.