Vinegar and salt as a common type of seasoning in daily life, together with the foot soak has no special efficacy. Vinegar and salt together with foot soak has no special efficacy, the main component of vinegar is acetic acid, but also contains a small amount of amino acids, organic acids, vitamin B1, vitamin B2 and so on. Salt is mainly composed of sodium chloride, also contains magnesium, lead, arsenic, zinc, sulfate and other impurities. Too much magnesium and calcium in table salt will give it a bitter taste, and too much fluoride may cause poisoning. If the feet have trauma, it is not recommended to use vinegar and salt together to soak the feet, so as not to stimulate the wound and aggravate the infection. Vinegar and salt are just common seasonings, the two add up to soak your feet and there is no efficacy, there may also be unfavorable to the body. It is recommended that the usual foot soak with the appropriate temperature of warm water, if you use other foot soak, it is recommended to consult a doctor to avoid adverse reactions.