Pregnant women are not allowed to soak their feet in Foot Guang San. Composed of bitter ginseng and boric acid, Podophyllotoxin has the efficacy of clearing heat and drying dampness (removing heat and drying dampness), killing insects and astringing sweat. It has therapeutic effects on conditions such as keratinized tinea pedis bacterial infections caused by dampness-heat underflow (dampness and heat evils invading the intestines, bladder, pubic area, lower limbs, etc.). The adverse effects of the drug are not clear, but blistering and vesicular ringworm are prohibited. It should also be contraindicated in children and pregnant women. It should also be noted that this product should be used externally, prohibit internal use, and avoid eating spicy food during the use of the drug. If you need to use the foot Guangsan, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the treatment.