The best man is an important person in a wedding working group, and the best man is the companion and representative of the couple. Choose the number of groomsmen and bridesmaids; The groom's brother can be the best man; The best man keeps the ring given by the groom to the bride; The best man can't steal the groom's thunder; At the wedding, the best man's dress should be consistent with the main color of the bridesmaid, and it is best for the best man to wear more formal national costumes or dresses.