Defense mechanism is not a new concept. Since had been proposed by S. Freud, this concept has a history of almost one hundred years. Defense mechanism has extended to many areas of psychology, including the core concept of mental health: self-esteem. The studies on relationships between defense mechanism and explicit self-esteem are profound. Implicit self-esteem is a recent study aspect. There are profound studies on explicit/implicit self-esteem discrepancy and the relationships with mental health. But th...