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Gentleman's affection is an important moral and ethical dimension in China's traditional cultural system. The essence of China's traditional culture lies in emphasizing the identity of subject and object in the philosophical paradigm, that is, the way of thinking that heaven and man are one. This inner virtue is not only a way to improve human practice, but also the basis for harmonious coexistence between man and nature, and even the subjective result of understanding the external world, that is, the beginning of the mind. Under the guidance of this way of thinking, China tea culture emphasizes that people's hearts are the aesthetic projection of tea in tea and tea in the process. Therefore, there is only one "Tao" in the craft and culture of China tea, which is covered by the unspeakable tea culture with infinite restrained tension, and embodies the unique ethereal, vain and open-minded tea ceremony psychology of China people. It can be said that China Tea Ceremony is a reflection of personality, emotion and aesthetics that can only be perceived. We can see traces of tea in Mr. Lin Yutang's works. Tea is what he thinks is clear and pure in the world, and tea ceremony is not only an external pure realm, but often pays more attention to the purification and cleanliness inside the ceremony. It is generally believed that the whole process of tea is the result of contact between people, because when people's minds or contact with tea, tea will lose its taste and affect its quality and enjoyment. Therefore, when people in China are in contact with tea, they must keep a clean and indifferent attitude in order to better promote the enjoyment of tea culture. It can be seen that China tea culture emphasizes spirit and inner temperament, and the meaning of "gentleman's feelings" in personality in tea is a spiritual projection in the process of tea tasting and can be said to be a typical main expression object.