Early pregnancy is prone to early pregnancy reaction, which will cause blood vessels to be in a state of constriction, making it easy to feel cold, and most of them can be relieved on their own after the third month. When chills occur, it is recommended to add appropriate clothing or engage in light activities. If you always feel cold with headache, dizziness, weakness, etc., it is considered that it may be caused by fever, it is recommended to measure the body temperature, if the temperature is lower than thirty-eight degrees five, it is recommended to physical cooling, it is recommended to drink plenty of warm water with localized baths. If the body temperature is more than thirty-eight degrees five, it is recommended to do routine blood tests to see the causes of fever, in order to treat the symptoms, if necessary, under the guidance of the doctor to take antipyretic drugs to reduce fever, taking antipyretic drugs during the drink more boiled water, increase the sweat and urine excretion, is conducive to a better reduction of fever.