The incubation period of chickenpox usually presents with symptoms such as fever, malaise and loss of appetite. Chickenpox is mainly caused by varicella-zoster virus infection, some patients have no clinical symptoms in the early stage, but very few patients will have fever, malaise, loss of appetite, headache, muscle pain and other symptoms before the appearance of the rash, which belongs to the incubation period performance. After the end of the incubation period, patients will enter the onset of 1~2 weeks, children will directly enter the rash stage, localized symptoms such as macular rash, papules, etc., from the trunk, head gradually to the face, limbs and other parts of the spread. Adults will first experience symptoms such as low-grade fever and chills, which last for 1~2 days before the rash appears. If the above symptoms occur, usually considered chickenpox, it is recommended to go to a regular hospital for examination and treatment as prescribed by the doctor.