Decision-making is the core component in leading activities as well as the crucial element for the successful operation of an organization. With the development of industrial society toward the post-industrial society, it is necessary for management to be more and more modern, scientific and efficient and management more and more complicated and diversified. Consequently, decision-making, as one of the leaders' essential function, encompasses being erudite and informed, learning various decision-making models, knowing the target, situation and effect of decision-making, and adopting the most proper decision-making model to reduce the cost of decision-making and improve its efficiency.