1. Identity: The matchmaker is a real matchmaker, usually played by one person. She is responsible for matchmaking between unmarried men and women and helping them find suitable marriage partners. And the elder Moon is a wedding witness in myths and legends, a fairy in the sky. He used the red rope as a tool to connect people who were destined to be husband and wife and make their love complete.
2. Duty: The matchmaker's main duty is to promote the marriage of unmarried men and women. She will use a red scarf or other media to convey the friendship between men and women to determine the marriage between men and women. Yue Lao is a fairy who specializes in marriage. He used red rope as a medium to tie men and women together with red silk thread according to the mysterious "marriage book" to ensure that they would get married anyway.
3. Source: The role of matchmaker originated from the West Chamber in Yuan Dynasty. She is the maid of Cui's family, responsible for serving and controlling Yingying, which contributed to the marriage with him. Yue Lao first appeared in Ding Qing Zhai, a collection of novels by Li Fuyan, a novelist in the Tang Dynasty. He is the god who specializes in marriage in China myths and legends.