The three books refer to the letter of appointment, the letter of gift and the letter of welcome. The letter of appointment refers to the document that both men and women enter into an engagement, and it is the proof that the man gives the woman's family. Generally speaking, it is the marriage certificate that we went to the marriage registration office for notarization today; Gift book is a list of items and quantities that have been given gifts, that is, a list of bride price; The last greeting is a document that the man gave to the woman when he married the bride, promising to take good care of her and grow old together. Six ceremonies refer to the six ceremonies in the process of marriage, that is, accepting lottery, asking names, accepting gifts, inviting guests, and welcoming them in person. That's what the man's parents mean when they ask the matchmaker to propose marriage to the woman's house. The matchmaker is a middleman, through whom the woman can inquire about the man's house. Asking the name is after the consent of the woman's parents. In order to predict whether the two are suitable for marriage, the woman's date of birth is taken back to predict with the man. Naji refers to putting the birthdays of men and women in front of gods or ancestors for instructions. If there is no problem, you can take the following steps; Requisition is to send the man's letter of appointment and gift book to the woman's home. One month to two weeks before the wedding, the man will bring his dowry, gift money and dowry to the woman's house; The invitation period can be understood literally, that is, both parties choose a good day to get married; The last kiss is that the man goes to the woman's house and carries her home to complete the ceremony of meeting the bride and getting married. Our wedding customs today are almost the same as in ancient times. Although there are many red tape, it also reflects the man's attention to the woman and the woman's satisfaction with the marriage. Marriage is the fusion of two families, which needs the blessing of both families.