The Schumann frequency achieves a beneficial effect, energy balance and homeostasis of the organism – centrally by application to the solar plexus and locally in the area of ​​the body surface to which it is applied. Both red light and the Schumann frequency through which it is transmitted have a beneficial effect on the local processes of microvascularization and tissue regeneration, and the final effect can be a reduction of inflammation or its complete disappearance. Fungal infection of the feet is one of the types of inflammatory process on which both the Schumann frequency and red light can have a beneficial effect individually, and even more strongly combined.