Patients with psoriasis avoid eating and need to avoid alcohol. Avoid spicy and stimulating diets, such as raw onion, raw garlic, strong tea, coffee, chili, and mustard. Avoid hairy foods, such as beef and mutton, seafood, chicken, duck, goose, dog meat and the head and hoof of pork underwater. Patients with psoriasis are not able to smoke, and psoriasis patients try not to cause pharyngitis. Because pharyngitis or tonsillitis may cause the onset or development of the disease. In terms of treatment, psoriasis needs to be treated with oral medications such as compound amineptin tablets, compound glycyrrhizin tablets and drugs with Chinese herbal ingredients such as danqing capsules, anti-silver tablets and anti-silver granules. For the choice of topical medication, you can choose vitamin D3 derivatives, such as carbotriol application or carbotriol ointment. Pyrithione zinc aerosol can also be applied, as well as hormones such as Desoxaparin and synthetic products of vitamin D3 derivatives.