Generally, the chickenpox vaccine is somewhat painful, but the specifics will vary for each individual. In current clinical practice, the varicella vaccine is a vaccine that prevents varicella-zoster virus infection. The chickenpox vaccine is painful to some degree, but the pain may go away a few minutes after the injection, but for people who have a low pain threshold and are sensitive to painful stimuli, the pain may be felt for several hours. The pain may be felt for several hours. After the chickenpox vaccine, it is generally recommended that within 24 hours, do not make the vaccination site wet, try to keep the vaccination site clean and dry; dietary attention not to eat some stimulating food, such as spicy, too greasy food.