Usually there is no quick relief for pregnant women with calf cramps, and the symptoms can be relieved through calcium supplementation, proper exercise and physical therapy. 1. Supplemental calcium: due to the high demand for calcium in pregnant women’s fetuses during pregnancy, and the lack of calcium in the body, pregnant women are prone to leg cramps, pregnant women can take calcium tablets under the guidance of the doctor to supplement calcium, the patient should consume more calcium-containing foods, such as milk, soybean products. 2. Appropriate exercise: pregnant women during pregnancy should be appropriate exercise, such as walking, swimming, yoga and other aerobic exercise, to relieve the symptoms of leg cramps, the patient needs to control the amount of exercise is not too large, so as not to cause the burden of the leg muscles increase. 3. Physiotherapy: pregnant women with leg cramps can be appropriate massage of the calf area, or before going to bed with a hot compress to relax the leg muscles, can relieve the symptoms of leg cramps. It is recommended that pregnant women pay attention to rest in daily life, avoid strenuous exercise, do not overwork, can be appropriate to the outdoor sun or supplement vitamin D, in order to promote the absorption of calcium.