Disease analysis: Hello! Soaking feet with vinegar can increase skin elasticity, help sleep, eliminate physical fatigue, get rid of rheumatism and improve human discomfort such as chills. Suggestion: Foot odor is more common in cases of excessive secretion of sweat glands and bacterial reproduction and decomposition of keratin on feet. Soaking feet with old vinegar can sterilize and deodorize, which is good for health. I wish you the best of health!