Clinical medicine does not specify that you can not wash your hair before and after vaccination, and generally after vaccination within 24 hours without discomfort, you can work and live normally. Usually, this kind of people can wash their hair normally, just there are some precautions, such as avoiding water temperature is too cold, the eye of the needle to avoid water, to avoid the wind, etc.: 1, to avoid the water temperature is too cold: many people are used to using cool water to wash their hair, especially in the summer, at this time it is recommended that you do not do so, in order to prevent the cold water to stimulate the scalp and the brain tissues, nerves, coupled with playing the vaccine, the body immune to decline, it is easy to cause headaches as well as Respiratory infections; 2, the eye of the needle to avoid water: vaccination is generally in the shoulder arm, when washing the hair to pay attention to the eye of the needle do not get wet, so as not to cause redness and swelling of the incision, infection; 3, to avoid the wind: hair washing time should not be too long, wash the head after the hair should be timely drying or blow-drying, do not wet hair outdoors or air-conditioned room activities, to prevent cold cold and flu. In addition, the vaccination site may appear local redness, swelling, hard knots, pain, some people will also appear fever, fatigue and other discomforts, are normal phenomena, generally can be relieved on their own, but also under the guidance of the doctor to take measures to deal with.