Chickenpox can be transmitted from children to adults, especially those with reduced immunity. Chickenpox is mainly caused by infection with varicella zoster virus, the disease is easily spread through droplets, close contact and other ways, and chickenpox patients from the body with fever and other symptoms to the scab period, are infectious period. Therefore, it is important to note that children with chickenpox at home may transmit the virus to adults, especially those with recently decreased immunity. When an adult is infected, he or she may have fever, red spots, papules, itchy skin and other uncomfortable symptoms, and the diagnosis can be confirmed by medical examination. Chickenpox is a self-limiting disease, and the prognosis for most mild cases is good, but severe cases may leave neurological sequelae or even be life-threatening. It is recommended that children diagnosed with chickenpox follow the doctor’s instructions to isolate the treatment, daily attention to open windows and ventilation, wash your hands often, etc., family members can be vaccinated against chickenpox, and pay attention to the appropriate protective measures when in contact with the affected children.