Ginger100g (2 Liang) and salt 50g, put into a pot, add about two bowls of clear water, boil for10min, pour into the footbath, put the slippers into the footbath, and when it is naturally cooled to an acceptable temperature for feet, add aged vinegar100ml and soak for 30min.

All three materials have bactericidal effect, and the bactericidal effect of these three materials is not strong when used alone, but they can play a good bactericidal role when used in combination.