White vinegar contains acetic acid, which can eliminate beriberi fungi. White vinegar can cure beriberi. But it is also necessary to use it at the right time. Generally, it is better to recover with white vinegar at the beginning of beriberi attack. Soak your feet with white vinegar and warm water. In a few days, the skin on your feet will become smooth, those dead skins will be taken off, your feet will fall off and be replaced with new ones, and the odor on your feet can be removed.