If this problem can't be solved at school, you'll have to rely on yourself. The so-called foot odor means that the sweat produced by your feet cannot be effectively volatilized, and the smell produced by sweat. It is suggested to put a sanitary towel for girls in your shoes, which has the best sweat absorption effect and can effectively prevent foot odor. Sprinkle some baby's dry powder on your feet before wearing shoes, and it is best to make holes in your shoes. There should be no problem, and the foot odor is not permanent.