2. This word was first seen in Oracle Bone Inscriptions in Shang Dynasty, and its ancient glyph simulated the appearance of clouds and gas. The original meaning of qi is the gastrointestinal qi produced by the digestion of the third-state substances and foods uniformly dispersed in nature. Later, it was extended to the original gaseous essence energy of human body. Breathing comes from the original gas energy of human body. From breathing to spiritual traits, attitudes and styles; Breathing out of control, angry. Also used as a surname.