How to determine whether you have psoriasis or eczema can usually be identified by clinical symptoms. Psoriasis, the scientific name for psoriasis, early for the scaly papules, with the development of the disease, and gradually become a clear boundary of the red plaque, covered with layers of silvery-white scales, scales are easy to scrape off, scraping appeared light red shiny translucent film, scrape the film can be seen in the small bleeding spots. Eczema acute skin will appear red spots, papules, blisters, etc., blisters will appear after broken erosion, oozing and other manifestations; subacute period of skin redness and oozing and other symptoms to reduce, lesions were dark red, vesicles appeared crusting, flaking and other symptoms; chronic period mainly manifested in the skin scattered dark red patches, but also can appear rough and hypertrophied, ossy changes, and so on. Whether it is psoriasis or eczema, it is recommended that patients go to the regular hospital dermatology consultation, the necessity of feasible histopathological examination by a professional doctor to carry out differential diagnosis, and then targeted treatment, so as to avoid delays, so that the condition further aggravated.