Pregnant women sweat a lot is a common phenomenon during pregnancy, mostly due to the rising estrogen level in women’s bodies after pregnancy, increased protein concentration in the blood, increased circulating blood volume, higher basal metabolic rate, resulting in unstable vasodilation and contraction function, which increases the blood flow rate, and the phenomenon of excessive sweating and fear of heat when pregnant women are in a higher metabolic state. Pregnant women sweat a lot is a normal physiological reaction, can promote the body waste faster discharge, beneficial to the health of pregnant women. As sweat is rich in potassium and sodium, excessive sweating can easily cause potassium and sodium deficiency, so you need to drink more water and eat more fruits and vegetables to replenish the water lost in your body. If the sweating is very serious, you can go to the hospital for a trace element test to avoid calcium deficiency. Vitamins and minerals can be supplemented to help reduce sweating symptoms. In addition, pregnant women should relax, pay attention to a balanced diet, and eat more light, easily digestible food and food rich in high quality protein, such as lean meat, eggs and milk. In addition, it is recommended to choose loose, breathable clothes, bathe and change underwear regularly to ensure the comfort of the pregnant woman and her fetus and to prevent infection.