What is the effect and function of pepper and ginger soaked feet?

Zanthoxylum bungeanum and ginger are common condiments. Soaking feet with zanthoxylum bungeanum and ginger has the effects of dispelling cold, keeping warm, sterilizing and relieving itching, strengthening body, etc., and has certain therapeutic effects on diseases such as tinea pedis and spleen deficiency. In addition, it can also promote blood circulation, relax muscles, and improve sleep quality.