As the human body ages, the mineral content in the body changes, especially the blood calcium level decreases to below the average level, in this case, it will increase the stress of human muscles, and muscle spasms will easily occur, thus triggering foot cramps. In addition, the elderly are often accompanied by chronic diseases, such as hypertension and diabetes, which can easily induce atherosclerosis, thus affecting local blood circulation disorders, loss of muscle nourishment, increased accumulation of metabolites, increasing the likelihood of foot cramps.