Checking the instruction of Compound Huangbai Liquid, there is no efficacy of treating eczema, if you need to use, please follow the doctor’s instructions. Compound Huangbai Liquid is a Chinese medicinal preparation containing five ingredients: forsythia, cypress, dandelion, honeysuckle and centipede, which has the effect of clearing heat and removing toxins, subduing swellings and expelling rot. It is used for post ulcerated sores and wound infections, which belong to Yang evidence. According to its instruction, Compound Yellow Phellodendron Liquid does not have the efficacy of treating eczema. The use of Compound Phellodendron Bark Liquid is to soak gauze strips and apply them externally to infected wounds or broken abscesses. This product is for external use and should not be taken internally. It is forbidden for those who are allergic to this product, and people with allergies should be cautious of using it. Pregnant women should use with caution. If there is a need for medication, you should go to the hospital in time, under the guidance of the doctor to use medication treatment, not blindly use, so as not to cause adverse consequences.