Infected with chickenpox for a month and still not well , common in immunocompromised patients, it is recommended to go to the hospital. Chickenpox is a contagious skin disease caused by varicella zoster virus infection, manifested as red spots, papules, blisters and so on. Chickenpox is self-limiting, with a duration of 1-2 weeks. If the patient is not well after one month of chickenpox infection, it is usually seen in immunocompromised patients, such as HIV-infected patients or patients after kidney transplantation, and it is recommended that the patient should go to the hospital in time for treatment and diagnosis with the help of the doctor. Chickenpox patients should keep indoor air circulation in daily life; cover mouth and nose with handkerchief when sneezing and coughing; wash hands diligently to avoid viral residue; pay attention to cut nails diligently to avoid blisters due to scratching.