Management science is a popular business, economic and psychological method to be applied to help any business organizations, societies to solve problems. Whether what are the real functions or advantages that management science methods or strategies can help our societies or organizations to solve any problems ? In my this book first part, I shall attempt to indicate some real social or organizational problems how and why managers can attempt to apply management science methods or strategies to help their organizations or our societies to solve any kinds of common or complex problems. Readers can learn some real management science knowledges to attempt and judge whether some social or organizational problems can be solved by management science knowledge easily. This book second part brings readers feel you are organizational outsourcing strategic professionals. You need to help your organizational different departments to implement outsource strategy or insource strategy or help government to inplement any human resource , economic development strategies. This book third part concerns how to apply how facility management methods to attempt to explain whether your organization can be influenced to raise your employee individual productive efficiency as well as improve service performance to achieve to let your clients feel more satisfaction by effective human resource training or/and facility management methods.