Cramps in the patient’s feet in the middle of the night occur because the patient’s lower limbs are compressed for a longer period of time during sleep, which affects the blood circulation of the lower limbs, resulting in stagnation of qi and blood stasis, and obstruction of the meridians and collaterals. This phenomenon may also occur if the patient’s feet get cold for a long time. In the treatment, the patient is instructed to move the feet appropriately, and at the same time, pay attention to the treatment of hot compresses on the feet, which can be fumigated with traditional Chinese medicine or combined with physiotherapy instrument baking, microwave instrument treatment, low and medium frequency electrotherapy and other methods. Can also be traditional Chinese medicine techniques localized massage, can improve local blood circulation, promote metabolism, can relieve or reduce cramps.