This study attempts to examine the factor structure of Basic Adlerian Scales for Interpersonal Success Adult form (BASIS-A), and providing a reliable instrument to evaluate lifestyle in the Iranian population. Factor analysis was applied to study the inventory 513 subjects (%46.4=male, %53.6=female; %65.5=married, and %34.1=single) aging 18-40 years old (m=29.4; SD=7) were recruited and studied. Findings, showing the Iranian norm for BASIS-A, also displayed the same major factors as the American original version consisting 5 major factors as Wanting Recognition, Going Along, Taking Charge, Being Cautious, and Belonging-Social Interest. The correlation of the minor factors has been analyzed. This study concludes that BASIS-A could be used by the clinicians to get a better understanding about the Iranian clients lifestyle.