Psoriasis is also known as psoriasis, small children have psoriasis, there is no cure at present, but you can alleviate the symptoms through life conditioning, topical medication, phototherapy, systemic medication and so on. 1. Life adjustment: parents should pay attention to adjusting the diet structure of children, and try to take light and low-fat diet as the main. If the psoriasis grows in the head and face area, psychological counseling should also be carried out to avoid the child from depression and other emotions. 2. Topical medication: Hormonal drugs (such as dieldrin, mometasone furoate, etc.), vitamin D3 derivatives (such as carbotriol cream, etc.), calcium-regulated phosphatase inhibitors (such as tacrolimus ointment), salicylic acid ointment and other medications can also be used for application. 3. Phototherapy: If necessary, ultraviolet radiation can be used to suppress the immune response to the disease. 4. Systemic medication: For patients with severe disease and generalized rash, oral systemic medication can be chosen, such as oral methotrexate, Avicenna, cyclosporine and other medications. Parents are advised to bring their children to the doctor in time, avoid self-medication, and strictly follow the doctor’s instructions, so as not to aggravate the condition.