You can turn on the air conditioner in the early stages of pregnancy. If the room temperature is too high, pregnant women may have symptoms of heat stroke, such as dizziness, panic, nausea and general fatigue and weakness. As the metabolic rate of pregnant women’s bodies is accelerated after pregnancy, so there will be a general fear of heat symptoms, if the air conditioner does not let the air conditioning wind blowing directly at pregnant women, and do not turn the temperature too low, the best control of about 26-28 weeks. And in the open air conditioning when the air in the room should be regularly ventilated, not too tightly closed, otherwise it will lead to a lack of oxygen to pregnant women chest tightness. Pregnant women can cover an air conditioning shirt when the air conditioning is on to protect their joints.