The format of birthday invitation, birthday invitation, is specially used to invite relatives and friends to attend their own or their elders' birthdays. Generally speaking, people are elders over 50 years old. When holding birthday gifts and birthdays on the tenth birthday, look at them with longevity. In addition to the requirements of invitations, there are also some fixed terms in the format and writing of birthday cards. Father calls it strict, mother calls it cordial, man's birthday calls it hanging arc, and woman's birthday calls it happiness. Most of them were sent by the younger generation for their parents' birthdays. The son calls himself Cheng qin Zi, and if he has grandparents, he calls himself Chongqing Zi. There are also two styles: horizontal and vertical.
Invitation letter, sir/madam: Today is the seventieth birthday of Jia Ci _ _ _ _. Thank you very much for your good health and your children and grandchildren. Therefore, I will arrange a relaxing banquet at _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.