”Long-Chung Stratagem” is the is the most important case of strategic planning in Chinese history. Without it, The dynasty of Shu-Han should not arise, and the period of three Kingdoms in Chinese history would disappear. This paper explored the strategy planning including in the ”Long-Chung Stratagem,” discussed its components of strategy formulation, and analyzed how Lui Pei's army corps to implement the strategy that was proposed. Finally, three conclusions are proposed. First, mission setting and environment scanning are critical components in success strategy planning; the second, even the perfect strategy planning would be no sense if it has not been implemented; Finally, when the environment is changed, the strategy should be replanned, and matching the organization's mission and environment should be the most important criteria for determining which emergent strategy would be implemented.