Objective To study the role of psychological factors in the onset of psoriasis, to investigate the role of monoamine substances in the course of psychological factors-associated psoriasis, and to reveal the psychoneurologic pathogenesis of psoriasis. 目的研究心理因素在银屑病发病过程中的作用,探讨单胺类物质在银屑病心理因素致病过程中的作用,揭示心理因素在银屑病发病中的某些物质基础。