If the fever of pregnant women is a normal physiological phenomenon, there is no need for treatment; however, if it is upper respiratory tract infection, acute gastroenteritis, etc., it needs to be treated by adjusting the diet, physical therapy and the use of drugs. 1. Normal physiological phenomenon: due to pregnancy, the pregnant woman’s body secretion of progesterone, estrogen and other hormones will increase, of which progesterone has a certain role in regulating body temperature, so the body temperature can be increased by 0.2 ℃ ~ 0.5 ℃ or so, but as long as the body temperature of 37.3 ℃ or less, generally that is a normal physiological phenomenon, the case does not need to be treated. 2. Upper respiratory tract infections: pregnant women with upper respiratory tract infections, because of viral and bacterial attacks in the body leading to fever. If the temperature is below 38 ℃, physical therapy, that is, the use of cold towels on the forehead and other parts of the wet compresses to cool down, drink more water as appropriate; but if the fever is high, you need to follow the doctor’s advice to use acetaminophen, amoxicillin and other treatment. 3. Acute gastroenteritis: pregnant women with acute gastroenteritis may also be stimulated by bacterial infections causing an increase in the body’s pyrogens, leading to fever. If the temperature is lower than 38 ℃, only through a light diet, drink more water and wet towels and cold compresses and other treatments can be; but if the temperature exceeds 38.5 ℃, need to be under the guidance of the doctor for related treatment. It is recommended that once a pregnant woman discovers that she has a fever, she should consult a doctor in time to complete the relevant examinations and treat the cause of the illness. In addition, drugs may cause certain side effects, should be used under the guidance of a doctor, do not blindly use drugs.