Tongrentang Guikangling is used for the safety care of male private parts with mold infection, itching, wet redness and peculiar smell, and is mainly used for skin rot and external bacterial infection. It is said that the effect is very good and there are basically no side effects.

Nanjing Tongrentang is a Chinese medicine enterprise integrating science, industry and trade. It is a company that uses modern technology to produce traditional varieties of ancient prescriptions and comprehensive new dosage forms. Founded in 1669 and headquartered in Nanjing, Jiangsu.