Narcissistic personality disorder is the enduring pattern of behaviour which is characterized by a pervasive pattern of grandiosity, need for admiration, preoccupation with fantasies of unlimited success and power, arogance and lack of empathy. Although this disorder is defined by numerous of forms, classification on healthy and pathological narcissism is significant in so far as it clarifies that it is healthy narcissism to some extent desirable in order to achieve healthy ambitions and goals in life. In moderation is present in each of us and necessary to successfully gone through the process of self realization. Pathological narcissism can also lead to social success but person is usually unable to achieve healthy interpersonal relationships and is often in disharmony with the environment. Narcissistic personality disorder as a complex problem can in certain cases be considered as an advantage if big ambitions, diligence and outstanding confidence resulted in a marked progression on the social ladder. Often such people are becoming high-ranking and accepted in social circles. Despite the advantages that through this disorder can sometimes present, shortcomings are reflected as distinct detachment from the environment, the impossibility of establishing a healthy and lasting relationships. Narcissists are emotionally unavailable, unable to achieve stable love relationships. In case of more conspicuous pathology, problems may exist at the level of socially accepted norms, moral and law so the damage can affect the broader framework of society.