Podophyllotoxin foot soak can cause side effects such as peeling or tingling of the skin on the feet. After soaking the feet in Podophyllotoxin, you need to rinse them with water as much as possible to wash the residual medication from the feet. If the patient with foot Guangsan foot soak, appear obvious peeling or itching and other side effects, should immediately stop using. Foot light san is a compound preparation of Chinese patent medicine, mainly composed of salicylic acid, benzoic acid, boric acid, bitter ginseng, dressing for talcum powder, can be used to kill insects, stop itching, astringent sweating, and inhibit the role of mold growth. It is used for the treatment of various kinds of tinea pedis, especially for tinea pedis, foot odor, and foot sweating has a better efficacy. This product is also known as compound ginseng salicylic acid loose, mainly for the treatment of tinea pedis, common bacteria, fungi have inhibitory effect, salicylic acid, benzoic acid has antifungal, antipruritic and keratolytic effect, so the foot Guangsan foot soak can be used to treat smelly feet and foot odors, especially keratinized chapped foot odors. Podophyllotoxin foot soak can be clinically manifested as peeling, is due to the composition of salicylic acid and benzoic acid contained in podophyllotoxin, salicylic acid is a keratolytic agent, benzoic acid is a keratolytic agent, both of which can make the cuticle of the epidermis peeling, clinically manifested as peeling. Patients should stop using it immediately if they experience obvious adverse reactions such as peeling or tingling.