A child’s fever is usually related to respiratory tract infections and inflammation in the body. When your child has a fever of about 38℃, you can consider using antipyretic patches to reduce fever, and you can also use warm water baths and other physical cooling methods. Fever reducers can be applied for about 8 hours at a time. Before applying fever reducers, you can put them in the refrigerator for 15 minutes for better results. You can choose to stick in the forehead or carotid artery parts, general skin inflammation parts do not use antipyretic stickers, easy to appear skin allergies children also do not use antipyretic stickers to avoid adverse skin reactions. It should be noted that, antipyretic paste if the continuous use of 2 hours is still not fever, you need to consider taking antipyretic drugs, high body temperature, more than 38.5 ℃, you need to go to the hospital pediatrics to do blood tests, clear whether there is a bacterial infection, and timely anti-infectious as well as with antipyretic drugs to treat.