Abstract: This article is devoted to the analysis of the personality-dimensions of 208 vitiligo patients and 141 healthy people by way of studying their personality-structure, and an introduction of the application of the Eysenck Personality questionnaire is also presented. In this article, careful statistical proofs were given to each of the data obtained. The study showed that the personality-structure of vitiligo patients, the characteristcs of which was L>N>E>P(P is zero),was neither affected by their age or sex, nor by the course of the illness, the type of the disease, and family history. Besides, the investigation of the intention of committing suicide illustrated that vitiligo Patients were more likely to commit suicide than normal people.