Psoriasis is the common name for “psoriasis”. Psoriasis cannot be completely cured at present, but it can be controlled through standardized treatment, reduce the symptoms of skin lesions and itching, and improve the quality of life. Psoriasis is the result of the interaction of environmental factors, genetic factors, immune factors, etc. It manifests itself as scaly erythematous spots or plaques, with varying degrees of itchiness, and can be widespread throughout the body. Psoriasis cannot be completely cured at present, but it can be controlled through standardized and reasonable treatment, reducing the symptoms of skin lesions and itching, reducing the occurrence of complications and improving the quality of life of patients. Topical medications such as glucocorticoids and vitamin D3 derivatives are the first choice for treatment. It is recommended that patients with psoriasis should seek medical treatment in time and standardize the treatment under the guidance of doctors.