"Two-state and three-three-configuration rule" is the expansion of TCM syndrome differentiation and treatment theory and syndrome types by Zhang Zhen, a master of Chinese medicine. It is also a bridge between theory and practice. Using "two-state and three-three-configuration rule" to master clinical thinking, find syndrome types more quickly, simply and accurately, and determine treatment methods and prescriptions by relying on syndrome types, which improves the accuracy and efficiency of treatment. Let‘s understand how to analyze the theory and thinking process of reducing CA724 with Shutiao Qiji Decoction by using the "two-state and three-three-configuration rule" through a clinical medical record.