Most of the blisters may be eczema or viral infections, which can be treated with glycerite lotion, acyclovir ointment or other antiviral ointment as prescribed by the doctor. 1. Eczema: If it is clear that it is eczema, you can follow the doctor’s instructions to use glycerine lotion, zinc oxide ointment and other treatments. At the same time, change your underwear regularly and avoid wearing chemical fiber clothing. 3. viral infection: if it is a viral infection, millet blisters may be herpes, there may be warts, then you need to consult a doctor in a timely manner, choose the appropriate medication, such as acyclovir ointment and so on.