The retail price of Tretinoin Acetate Urea Cream in the market is about 4 or 5 dollars, the cost performance of this cream is still relatively high, its clinical application is relatively wide, generally applicable to inflammatory skin diseases, especially inflammatory skin diseases with certain hyperplasia and keratinization, with obvious therapeutic effect, such as chronic eczema or chronic psoriasis and neurodermatitis and so on, all have obvious effect. However, since this cream is a glucocorticoid topical drug, it should not be used for a long time, as long-term use may cause local skin atrophy or hormone dependence. At the same time, because the ointment contains urea, so after using the drug try not to light, which may cause a certain photosensitivity reaction.