Patients with psoriasis vulgaris can follow the doctor’s instructions to use glucocorticoid, retinoic acid, vitamin D3 derivatives and other drugs ointment treatment. 1. Glucocorticoid: Dexamethasone acetate ointment, compound flumethasone cream, dexamethasone cream, betamethasone ointment are commonly used glucocorticoid ointment for patients with psoriasis vulgaris, which can play the roles of anti-inflammatory and anti-proliferative after use. 2. Vitamin A acid: patients with psoriasis vulgaris can follow the doctor’s instructions to use tazarotene ointment, vitamin A acid ointment, adapalene gel and other vitamin A acid drugs, which can regulate the keratin of epidermis and anti-inflammatory. 3. Vitamin D3 derivatives: patients can follow the doctor’s instructions for external use of carbotriol ointment and other vitamin D3 derivatives, which can inhibit inflammation, regulate the proliferation and differentiation of keratinocytes, and promote the recovery of psoriasis vulgaris. Patients with psoriasis vulgaris may need oral medication in addition to external medication, so it is recommended to consult a doctor in the hospital to choose the appropriate treatment drugs, and it is not advisable to take medication without authorization.