The rash will heal and fall off before you can go out. The chickenpox is an acute infectious disease caused by varicella-zoster virus, mainly through respiratory droplet infection, but also because of contact with chickenpox virus contaminated clothing, utensils and other infectious, to preschool children are common, the initial symptoms are mild, can appear slightly hot, general discomfort. The scabs should wait to fall off naturally and should not be removed forcibly to avoid infection and scar formation. The scabs usually fall off and heal in about 1-2 weeks, leaving no scars, and the rash is not infectious after it falls off. Treatment is based on care and symptomatic treatment, eating more fresh vegetables and fruits, and avoiding spicy and irritating foods. Chickenpox can be prevented by vaccination against chickenpox. In addition, avoiding contact with infectious patients and increasing physical exercise can also help prevent the occurrence of chickenpox.