In most cases, children’s low fever application of antipyretic patches can play a certain role in reducing fever. The composition of antipyretic patches mainly includes hydrophilic gel and mint, ice and other drugs, the mechanism of antipyretic patches is mainly through the evaporation of water from the hydrophilic gel, which can take away the excessive heat in children’s bodies, and can be used through mint, ice and other heat-clearing traditional Chinese medicines to reduce the effect of fever. The application of antipyretic patches for children with low-grade fever can have an obvious cooling effect. If the child has a low-grade fever, and the mental state is relatively poor, the appetite is not good, considered to be caused by bacterial infection, the application of antipyretic patches to the child at the same time, the timely application of antibacterial drugs to treat the root cause of the treatment.