There can be two possibilities for white things on the armpit hair, one may be fungal infection caused by tinea cruris, after the fungal test if it shows positive, can be topical terbinafine ointment, naftifine ketoconazole ointment, and at the same time to repeatedly iron or dry the clothing that is close to the body to avoid causing cross-infection. Another may be the eggs under the lice, in the treatment can be applied clomid ointment, sulfur ointment for application, twice a day, and need to be isolated from family members to avoid causing secondary infection in the family. At the same time both need to avoid oral spicy and stimulating diet during treatment, and need to avoid alcohol.