Frequent cramps in the feet may be caused by cold stimulation, calcium deficiency, strain, etc., and you should consult a doctor in time to find out the cause. 1. Cold stimulation: when the legs are cold stimulation, the brain will send a signal to make the skeletal muscles of the legs contract to produce more heat to maintain the body temperature of the legs will, it will lead to leg and foot cramps; or at night when the feet and legs are cold when you sleep, it may cause involuntary contraction of the muscles, resulting in muscle spasms, foot cramps. 2. Calcium deficiency: in the growth period of adolescents or the elderly, young people because of faster growth, the demand for calcium is relatively large, easy to cause calcium deficiency. Elderly people’s absorption of calcium decreases, which can also easily cause calcium deficiency, all of which can easily lead to the phenomenon of leg and foot cramps. 3. Strain: Prolonged overweight or strenuous exercise can lead to significant strain on the thigh muscles. Muscle strain will lead to a large number of acidic substances gathered, local tissue blood circulation is not good, easy to cause frequent foot cramps. Frequent foot cramps may also have other causes, it is recommended that you should consult a doctor in time to clarify the specific causes, and if necessary, carry out the appropriate treatment.