In any organizations, overall organizational performance whether is improved or not. Instead of overall team cooperation factor, every employee individual work efficiency will also influence overall organizational performance. In my this book, I shall indicate some individual psychological factor how to cause any organizational performance to be improved. The topics may include these aspect: Is empowerment one good method to raise employee himself/herself effort in order to improve productive efficiency in organizations ? Can organizational environment factor influences the new employees production efficiencies ?Can interview psychological methods raise employee performance ? Has close relationship between employee satisfaction and work motivation ? What does organization system theory mean ? What is human resource department and organizational performance relationship ?Can technological inputs factor influence construction industry performance ? Can effective departmental communication factor influence organizational performance ? Can performance measurement influence effectiveness ?