The foot odor of girls may be related to the bacterial infection of the feet, may also be due to fungal infection resulting in foot odor, according to the different reasons for the occurrence of foot odor, the treatment measures taken are also different. 1, bacterial infection: girls daily exercise too much, shoes are not breathable, easy to cause excessive foot sweating, clean not enough or not timely, bacterial infection occurs nest keratolytic disease, bacteria decomposition of the foot keratin layer issued after the abnormal smell. When this happens, antibiotic drugs such as erythromycin ointment can be used topically under the guidance of a doctor to relieve the treatment; 2. Fungal infection: when girls’ feet sweat excessively and are not treated in time, it may cause fungal infection leading to tinea pedis, which can cause bad odor after secondary bacterial infection. Patients often have peeling or blistering, itching, and burning sensations on the skin of their feet. Medication can be administered under the guidance of a doctor, and topical imidazole antifungal drugs, acrylamide antifungal drugs, etc. can be used. No matter which infection causes foot odor, it is recommended to pay attention to foot hygiene and ventilation in the future to avoid the recurrence of similar situations.