Toe nail rotting caused by foot odor indicates that the fungal infection in the nail bed is more serious, destroying the nail bed or nail mother nail, resulting in nail ulceration. At this time, you need to strengthen the antifungal treatment, you can take oral itraconazole capsules, terbinafine hydrochloride tablets, to choose a full course of treatment, need continuous treatment for three months to six months, you also need to apply topical amorolfine hydrochloride ointment, mixed with clotrimazole ointment for local application. If there is a large area of erosion, you also need to apply a local wet application of compound cypress liquid application, compound cypress dispel ringworm application, for detoxification and anti-itch, to collect moisture and astringent sores of the treatment effect and purpose.