Purpose: This study was conducted to analyze the concept of attraction. Method: In according to the series of concept development process by Walker & Avant, the concept of Attraction was analyzed. Results: The attributes of attraction were defined such as Melting positive emotion, Delight or Pleasure, Mutual dependence, Cognitive motivation for hopeful behavioral construction, Dynamics, and Depth and Width; Antecedents of attraction were defined as Physical and external factor(such as approximation·resemblance·Mutual supplement·physical appearance), Psychological and internal factor (such as honesty·warmth·affection·and personal ability), Attractive behavior seeking attraction(such as sensibility through the self monitoring·strengthening through the compensation·cognitive balancing·considerable interaction and conversation·active attitude·showing good nature and ability charming appearance·emotional stimulating·offering comfort), and The course of the time; Consequences of attraction were defined as Maintenance and promotion of positive interpersonal relationship, and Ease to accomplish nursing goals. Conclusion: The concept of attraction has been one of the most important concept to positive influence on the nurse-client`s therapeutic relationship and easily to accomplish nursing goal.