The typical symptoms of chickenpox are fever and blistering rash at the same time, or fever followed by rash, which is self-limiting, with no specific treatment, and can usually be cured within 2 weeks. Chickenpox is a contagious disease caused by varicella-zoster virus, usually 2-3 days before the onset of contact with chickenpox patients, chickenpox infection has an incubation period of 2-3 days, then fever and blistering rash, both can appear at the same time, or fever can appear first, followed by blistering rash, patients with low immunity may appear pneumonia, encephalitis manifestations. The disease is a self-limiting disease, no effective treatment, generally symptomatic treatment, 2 weeks can gradually heal, the emergence of disseminated chickenpox, pneumonia, encephalitis patients need antiviral treatment, the course of the disease will be extended accordingly. Chickenpox is contagious and should be disinfected in daily life, avoid scratching the herpes, pay attention to changes in the condition, early detection and treatment of complications.