The patient’s foot cramps in the middle of the night can be caused by the following reasons: 1, cold: when you catch a cold, there can be foot muscle twitching, the symptoms of cramps, pay attention to keep warm, out of the cold environment, in order to make the cramp symptoms relieve, disappear. 2, calcium deficiency: calcium deficiency patients can also lead to the phenomenon of foot and leg cramps in the middle of the night, especially in elderly men, to early treatment of calcium, most patients can improve, cure. 3, neurological diseases: such as head tumor stimulation nerve, or due to epileptic seizures lead to foot cramps, to give early treatment for epilepsy, head tumor, to remove the cause, so that the symptoms of cramps relief, disappear.