Personality ¿f ¿ human being i¿ the mo¿t tedious fätor to elaborate as each and every person may have different personality. The personality is useful in defining uniqueness of an individual. Everything that a person does, speaks, walks or anything else, reflects his personality and behavior. This personality identification may be useful in various fields like e-learning, online ¿hopping, information filtering and e-commerce etc.This book gives you the overview of various personality classification techniques based on different kind of features of various authors". In our work, we have developed a method for classifying personality of any person on the basis of the "Big Five Personality Factors - OCEAN" i.e. openness, conscientiousness, extroversion, agreeableness and neuroticism. We have presented the concept of personality classification using big five personality factors and text analysis. .This concept says that by analyzing text, we ¿an predict the type of personality of a per¿on. Depending on the choice of words that a person uses to write text contents, the personality of the content's author can be defined like positive, negative or neutral.