You can wash your hair after getting your ears pierced, but you should be careful not to let the water touch the wounds on your ears to avoid infection. If you wash your hair after getting your ears pierced and touch the wounds on your ears, there is a possibility that the sewage or chemicals may stimulate the wounds and trigger bacterial infection or inflammation, resulting in redness, swelling, pain, and pus flow in the wounds. Avoid letting the wound get wet when washing hair, such as accidentally touching the water to the ear wound, but also as soon as possible to dry the wound, use iodine vapour or alcohol to disinfect the local wound, to avoid bacterial infection. Female friends after ear piercing, if the ear pain, local redness, swelling, pus flow and other conditions, it is recommended to actively and as soon as possible to the hospital, standardized medication and treatment.