The elderly have foot cramps: 1. You should go to the hospital to check the trace elements to see if there is a deficiency of calcium ions and magnesium ions, and once there is a deficiency of trace elements to be supplemented in time. The first thing you need to do is to take a calcium acetate capsule or drink milk to replenish it. 2. Because of the weakness of the elderly, if you have a history of cold, you should pay attention to warmth and add more clothes in time when it is cold. 3. Exclude muscle spasms caused by contusions or sprains. 4.