There are several cases of crusting in the ear area considered as follows: the first case, which is a secondary rash of eczema, is mainly due to eczema on the basis of the original erosion and exudation, exudation, dryness and the formation of crust. In this case, you can apply zinc oxide ointment of boric acid to the crusts, usually to a thickness of 1mm, and then leave it for about 6 hours, and then gently wipe it with a cotton swab to achieve the therapeutic effect of crust removal. The second condition, herpes zoster, is caused by the chickenpox-herpes zoster virus infection, which forms blisters and then dries up and causes crusts. In this case, you can apply penciclovir ointment, 1:1 mixed with zinc oxide ointment, and sterile cotton swabs to remove the scabs, which can also have an antiviral effect.