It can solve the problem of foot odor, sterilize the feet while soaking them with vinegar, and treat beriberi to some extent; Can relieve fatigue, moisten skin, soften cutin and increase skin elasticity; It can dispel wind and dampness and improve the symptoms of chills; Treating sleep disorders; Vinegar can penetrate the superficial skin of feet, enhance blood circulation, remove human blood waste and pathological deposits, and cure many chronic diseases.