Foot fungus in one foot usually refers to a fungal infection of the foot, which is a very common disease and is not necessarily related to AIDS. There are no obvious specific symptoms of AIDS, especially during the incubation period when AIDS can be asymptomatic. Many HIV carriers are detected through physical examinations, and if they have had high-risk sex, they need to take the initiative to get tested for HIV antibodies, and if they are positive, the diagnosis of HIV can be clarified. For fungal infections of the feet, standardized and systematic antifungal treatment is needed. Topical antifungal drugs such as terbinafine can be used, while oral antifungal drugs such as itraconazole can be taken for systematic and standardized treatment.