Vitamin A cream, the main action effect is to inhibit skin hyperkeratinization, exfoliation, can be used as exfoliating drugs, often used in the treatment of acne, psoriasis and other diseases. As a topical medication, retinoic acid cream only needs to be applied to the affected area of the skin, which can inhibit skin hyperkeratinization and exfoliation, so it can inhibit or remove acne; it can be used for the treatment of acne vulgaris and keratosis pilaris, and it is necessary to avoid sun exposure during the period of use to avoid affecting the therapeutic effect. Retinoic acid cream can also be used to assist in the treatment of rough skin, facial blemishes, and skin pigmentation. However, it can not be used together with light-sensitive drugs, which may increase the risk of photosensitivity; children need to use retinoic acid cream with caution, breastfeeding women, women of childbearing age should stop breastfeeding during the use of the drug, pregnancy is strictly prohibited. The use of specific drugs need to be under the guidance of a professional physician, not to judge the use of drugs on their own, so as not to cause adverse effects.