Clinically there is no “Huangbai lotion and bitter ginseng lotion which is good”, Huangbai lotion and bitter ginseng lotion are external medicine, both have the effect of clearing heat and relieving itching, follow the doctor’s instructions to use the appropriate medication for their own condition is good. Phellodendron Bark Lotion is a kind of topical medicine, its main ingredient is Phellodendron Bark, etc. It has the effect of clearing heat and removing toxins (removing heat and toxins in the body), dispelling dampness and relieving itching, and is mainly used for the treatment of itchy vagina under the belt, eczema and eczema sores, sores and swollen poisons and other diseases, and its adverse reactions include skin allergic reactions. Bitter ginseng lotion is a kind of external medicine, its main ingredient is bitter ginseng, with the efficacy of clearing heat and drying dampness (removing heat and drying dampness), killing insects and stopping itching, mainly used for the treatment of pubic itching, skin itching, eczema and wet sores, scabies and so on. The use of cypress lotion or bitter ginseng lotion and other external drugs need to pay attention to avoid contact with the eyes, mouth and other mucous membranes, skin ulcers are prohibited; at the same time, avoid eating spicy, cold, greasy food; the two for external use of traditional Chinese medicine, prohibited for internal use. If used to rinse the pubic area, should avoid intercourse during the treatment. In addition, diabetes-induced itchy skin should not use cypress lotion or bitter ginseng lotion. Patients should use the medication under the guidance of the doctor, not self-medication, in order to avoid adverse reactions.