Abstract: Sushi thought the relation between xing and qing was consistent with that between Tao and Changs. Tao is in Changs. We only experience Tao through Changs. Xing and Tao are in the same level. Qing is a kind of special appeared form of Changs. So xing is in qing. We only experience xing by expressing qing appropriate and unconscious. And Chengyi regulated qing with morality of xing, and constrainted and inhibited it. So qing is represented inhibitory and moral rationalist characteristics, ignoring the various needs and value in the human emotion.