Witnesses are generally trusted friends of both sides, or respected and respected elders, and one or two people can do it.

As the name implies, a witness is a witness to the legality of marriage. Focusing on the man's family, from the perspective of etiquette, the wedding ceremony is generally in front of the wedding ceremony. It used to be run by matchmakers. The duty of the witness is to read the marriage certificate and deliver a short congratulatory message at the wedding.