Personality is a dynamic organization of psychological system within an individual that will determine one’s adaptation to the environment. Dynamic Organization means an integration and connection between various aspects of personality. Personality can change, expand and is not statistical. ‘Psychophysical system’ is the habit, attitude, values, beliefs, emotional state, sentiment and motive in the form of psy-chology but posses physical basis in the nerve system, glands and body in general. Personality as behavior of individuals that are displayed in their everyday lives, this implies that every work or activity done in individual can provide an impression of their true personality. Sometimes our different perceptions are a cause of conflict and misunderstanding in our family, work and social lives in the environment,some of the factors affecting the personality, such as, food, peers, friends, education, upbringing genetics (depression and diseases), traumatic experiences in childhood, self-image, pre-vious experiences in life, attitude and choices about those experiences, medication and bullying. In this paper we analyzed, main factors affecting the personality using weighted multi expert neural network system.