When we open the document, we first write according to the normal input method and mark the corresponding data behind the author. Then, the number after the author's name, click on the superscript in the start menu, and the number after the author is the reduced upper right corner. Similarly, the left and right numbers are superscript, and then the author's unit, general writer's unit, hometown and zip code are marked below the author. In addition to the number, the communication author should be marked with an asterisk or triangle symbol in the upper right corner. Finally, mark it with an asterisk, write the author of the communication and mark the email address of the author of the communication.

As early as 3000 BC, all kinds of records were engraved on the clay tablets in the temple of Babylon. The earliest collection sites are the collection sites of Greek temples in the 4th century BC and the collection sites attached to the Greek Philosophy Institute.