Tazarotene Gel is mainly used for the treatment of plaque-type psoriasis, which has the effect of regulating epidermal cell differentiation and other effects. Tazarotene gel is a precursor drug of vitamin A, which has the effect of regulating the differentiation and proliferation of epidermal cells, and is mainly used for the treatment of plaque-type psoriasis. This product is a topical drug, you need to take the appropriate amount of this product in the evening half an hour before going to bed and apply it to the skin lesions, but it should be noted that the application area can not be more than 20% of the surface area of the body, and need to wash the affected area before using the drug, and wait until the skin is dry, and then apply the drug. During the medication period, some patients may experience adverse reactions such as itching, erythema, flaking, etc. This product should be prohibited for those who are allergic to this product or other retinoids, in addition, because of its reproductive toxicity, this product should be prohibited for pregnant women, pregnant women and breastfeeding women. If there is a need for medication, it is recommended to go to the hospital in time, after the doctor’s diagnosis, follow the doctor’s instructions to use the medication, to avoid blind use of medication.