Pregnant women can use electric heating fans, but not for too long, and the use of temperature should not be too high. Use should avoid body contact with the electric heating fan, preferably placed at a distance of a little distance. When pregnant women use electric heating fan for heating, it is recommended that the temperature below the mid-range, according to the room temperature, the appropriate adjustment, because the use of electric heating fan for a long time or the temperature is too high, it will make the body temperature of pregnant women rise, thus causing discomfort, and even due to the temperature change led to colds. In addition, the electric heating fan needs to be placed at a distance farther away from the pregnant woman, because the electric heating fan has a certain amount of radiation, the distance is too close may have an impact on the growth and development of the fetus. In addition, in daily life, especially in the cold winter, the indoor temperature of pregnant women should not be too high, so as to avoid the temperature difference between indoor and outdoor, and lead to colds, fever, sore throat and other discomfort. If a pregnant woman wants to keep warm during normal times, she can increase or decrease her clothing appropriately with the weather changes or install heating indoors.