When children feel cold when they have fever, it means that they are in the period of rising body temperature, which may be caused by bacterial and viral infections, etc. You can increase the clothing for children and drink hot water to improve the discomfort. When the body occurs bacterial, viral infection, can cause children to feel cold when fever and other symptoms, there are three stages in the normal fever process, for the temperature rise period, high temperature persistence period, temperature decline period. When the body temperature is rising, the body will contract blood vessels, pores to raise the body temperature, this stage of the child will feel cold, parents should increase clothing, let the child drink hot water, to avoid the room temperature is too low to help reduce the child’s heat dissipation, if this stage of the reduction of clothing or reduce the room temperature may be induced by chills. When entering the period of high temperature persistence and temperature decline, it is necessary to reduce clothing, timely hydration, warm water bath, greater than 38.5 ℃, you can use ibuprofen or acetaminophen to help the body temperature decline. Therefore, care varies at different stages of fever, and proper care can improve the discomfort that fever brings to your child. The above medications need to be used under the supervision of a doctor.