Cramps in the legs and feet should be treated according to the causes. Common causes include over-exercise, cold, calcium deficiency, etc. The approaches taken include stretching the muscles at the back of the calf, keeping warm, and taking calcium supplements. 1. Excessive exercise: Climbing mountains, walking for a long time, muscle fatigue, causing cramps. You can find a safe place to sit down, straighten your cramped leg, lean forward, and use your hand to wrench your foot in the direction of your body to stretch the muscles at the back of your calf. 2. Cold: Cold causes muscle spasms, leading to cramps, in addition to straightening the cramped leg and wrenching the palm of the foot, you should also pay attention to keep warm. 3. Calcium deficiency: Calcium deficiency can lead to involuntary muscle spasms and contractions, resulting in cramps. You can eat more eggs, meat, milk, etc., or take calcium carbonate orally to supplement calcium. There may be other reasons for the cramps, it is recommended to go to the hospital in time. The above medication is recommended under the guidance of a doctor.