Psoriasis is a very common dermatoses. It can occur at any age but most often between 16 and 30 as well as the 50-60-years of age. The pathogen is unknown. Foods that are beneficial in the treatment of psoriasis affects the fish like salmon, sardines, trout, tuna and mackerel because they contain omega-3 fatty acids. Carrots, apricots, mango and green leafy vegetables are rich in beta-carotene, which the body converts to vitamin A, which is essential for healthy skin. Linseed is also a rich source of omega-3 fatty acids, as well as sunflower seeds and sesame seeds. Brazil nuts are a rich source of selenium. Cereals, brown bread and yeast extracts which are rich in folic acid deficiency could be corrected by this vitamin. Broccoli, cabbage and other vegetables green leaves are rich in folate, the natural form of folic acid. It should limit the intake of red meat, processed meat, alcohol, citrus fruits, carbonated drinks.