The following answers this question for you. First of all, white vinegar is an acidic liquid that can kill bacteria and inhibit fungi. Soaking feet with white vinegar can remove foot odor, and also has a certain therapeutic effect on onychomycosis and beriberi. White vinegar can be added to the foot washing water to soak feet.

First of all, the biggest clinical advantage of soaking feet with vinegar is that vinegar can sterilize. For example, patients with athlete's foot can choose this method for treatment, which has a certain effect. Besides soaking their feet with vinegar, they can also add some salt, sterilize and treat beriberi. If the patient's hands and feet are cold at ordinary times, you can also choose to add some Chinese medicine. Soaking feet is a very good health care method in clinic.

Secondly, don't soak your feet for too long. Soaking your feet for too long will lead to skin soaking and erosion of your feet. At the same time, because the blood circulation and heart rate of the human body will increase when soaking feet, too long time will increase the burden on the heart.

I hope my answer can help your friend.