]> Ribeiro P, Moreira D, Teixeira A, et al. Volume 6 Issue 1 2581-4745 10.31531/2581-4745.1000146 Why have we chosen this research question dedicated to Narcissistic Personality Disorders and Sexuality This comes from vast clinical practice in Psychiatry and Mental Health which empirically highlights what appears to be a mature and cohesive mental structure within the individuals psychic and sexual development with man and woman each one well defined internally and externally what it is and feels as well as its association with health or mental illness in terms of Personality Disorder being inevitable At the heart of the importance of this study is an imbalance in their psychosexual development that is revealed latently or is manifested in the therapeutic approach of patients mainly narcissistic and borderline and there is already a history of studies on this topic We defined a methodology whose study design selection of participants and sample size best reflected to our objectives expecting to deepen the results and provide answers to the initial questions These became clearer with the selection inclusionexclusion of individuals for the Experimental and Control Groups Clinical Interviews and Questionnaires over the years which in an objective way reveals an unavoidable reality the psychosexual development of the individual in terms of MasculinityFemininity conditions and is conditioned by Personality Disorders in general and Narcissistic and Borderline in particular Soon it will be possible for us to objectify qualifyquantify the results that will be made available to the scientific community for a better understanding of the Disease and Mental Health with the final objective of its acceptance consideration and therapeutic evolution All Published Work is Licensed under a creative commons attribution 4.0 international license 2024