Psoriasis is a chronic, immune-mediated, inflammatory disease of the skin. The quality of life is significantly affected, being characterized by relapses, remissions and the presence of comorbidities associated with psoriasis. Several factors are implicated in the onset of psoriasis in children, including: genetic factors, environmental factors, psychosocial stress, obesity, trauma, skin irritation, use of certain drugs such as lithium, β-adrenergic antagonists and necrosis factor inhibitors. (TNF), the presence of Crohn's disease or juvenile rheumatoid arthritis. Psoriasis is a burden for the patient in the case of the adult, being even more difficult in the case of children. Atypical manifestations in pediatric psoriasis can be difficult to diagnose.