As the core of cultural structure, thinking mode constitutes the internal basis of people's cultural creation activities in different times. As an important part of Chinese traditional culture, Chinese classical garden embodies many characteristics of Chinese traditional thinking. Based on the three characteristics, namely integrity, dialectics, and imagery, the embodiment of the traditional thinking characteristics in the creation of Chinese classical gardens is analyzed. Integrated thinking establishes the creation principle of "the unity of man and nature" of Chinese classical garden, and becomes the logical foundation of the combination of various elements of garden. Dialectical thinking deals with a series of contradictory relations in the creation of Chinese classical garden through the idea of "Yin and Yang coexisting". Imagery thinking pushes Chinese classical garden to a higher aesthetic realm. Studying the creation of classical garden from the perspective of traditional thinking mode will contribute to understand the logical basis of the creation of classical garden deeply, and inherit the essence of traditional garden design in the contemporary era.