Constant foot cramps may be related to overexertion, poor sleep posture and chronic ischemia of the arteries in the lower limbs. Acute foot cramps can lead to severe pain in the calf gastrocnemius muscle, the patient’s joints are stiff and difficult to move, when the occurrence of persistent foot cramps, the patient can use his hands to pull the toes to bear the pain to maintain 1-2min later, the symptoms of cramps will slowly ease. If the patient often occurs foot cramps should pay attention to the following aspects: 1. In winter, foot cramps occur easily, you should pay attention to keep warm and wear more clothes, before going to bed, you can bubble hot water feet, sleep with electric blankets, etc. The frequency of foot cramps will be greatly reduced in a warm environment. 2. If foot cramps occur in middle-aged and elderly patients, electrolytes and bone density should be checked, and if calcium deficiency can be treated with targeted calcium supplementation. 3. middle-aged and elderly men who love to smoke do not exclude the possibility of occlusive vasculitis of the lower extremities, because the ischemia of the limbs is also likely to lead to foot cramps. If the patient does have arterial occlusion, he should use blood-activating drugs to relieve the symptoms of foot cramps.