Chickenpox can cause fever and even hyperthermia, mainly due to varicella-zoster virus infection and an inflammatory response throughout the body resulting in fever. Clinical treatment requires a step-by-step approach. Firstly, intravenous acyclovir injection or ganciclovir injection is needed for antiviral treatment, together with pyretic injection or inflammationuning injection for detoxification and blood cooling treatment. Local choice of physical cooling, such as using warm hand towels to wipe the forehead, chest and back, hands and feet for symptomatic cooling treatment. Secondly, you can choose fever-reducing drugs orally, such as ibuprofen suspension, to play a cooling treatment effect.