It is better to put on a fever patch when the baby has a fever, the fever patch is mainly a physical cooling effect, which can help the child reduce the body temperature, especially when the fever patch is put on the forehead, it can also reduce the head temperature, with the role of protecting brain function. But the fever reducing effect of the antipyretic paste is often not very good, only a mild antipyretic effect, can make the fever baby feel more comfortable, for the case of low fever is more suitable. If you have a high fever, it can help lower the body temperature, but not alone, you need to combine fever-reducing drugs, such as ibuprofen suspension or acetaminophen suspension, to reduce fever treatment, and then paste the fever patches, can play a role in assisting to reduce the temperature. Fever patches are generally recommended to be applied to the child’s forehead, neck, back, front chest, as well as the palms of the hands and feet, where blood circulation is relatively rich, and the effect of applying fever patches is better for lowering the body temperature.