The phenomenon of foot cramps in women during night sleep is mainly due to overexertion, local cold, and hypocalcemia, as follows: I. Overexertion: Due to overexertion, patients engage in physical labor or excessive exercise during the day, resulting in the accumulation of lactic acid in local muscles, which makes it easy for muscle spasms to occur during night sleep. Second, local cold: cold at night during sleep, resulting in muscle spasms, there will be symptoms of foot cramps. Hypocalcemia: Hypocalcemia occurs when the patient’s serum calcium is low, which can cause increased neuroexcitability, and foot cramps can occur during night sleep. Patients with foot cramps should first pay attention to local warmth, avoid overexertion, use warm water to soak the feet before bedtime, and local massage to relax the muscles. If it is caused by calcium deficiency, calcium supplementation can be administered.