the master of ceremonies, also known as the host, is the person who organically connects the theme, guests, procedures and purposes with the audience. The emcee is the host in ancient times, and the interpretation of emcee in Modern Chinese Dictionary is "the person who reports the procedure when holding a ceremony or a conference". The present emcee is the host.

1. official name. "Zhou Li Qiu Guan" has a master of ceremonies, who is responsible for the etiquette of receiving guests. There was a master of ceremonies department in the Northern Qi Dynasty, so it belonged to the crack hon temple in the Sui and Tang Dynasties, and was in charge of the fierce funeral. Not after the song dynasty. In the Ming dynasty, the master of ceremonies was in charge of the display and etiquette, and the waste was removed. See Tongdian Official Eight and Official Records of Ming Dynasty III.

2. Report the person who carried out the procedure when holding the ceremony. Wu Han's "Crying Gong Pu": "I took the manuscript of the declaration of electrification and ran around. There were Gong Pu who invited signatures, printed and distributed them, presided over Democracy Weekly, and acted as master of ceremonies in some venues."

3. It refers to the procedure of reporting when a ceremony or conference is held. Chapter 39 of Chen Canyun's Mountain Valley Wind Smoke: "He represents the team and is responsible for the master of ceremonies of the conference according to the arrangement of the presidium."