启事是一种公告性的通知，需要向公众说明什么事情，要求什么帮助都可以采用。把启事内容的要点作为标题写在启事的上方正中；启事的日期写在右上方；启事者名称在右下方；不用称呼语。

如：

A  Wallet  Found

Sep．8，2003

A Wallet was found in the lecture hall,inside of it are money and cards.Loser is expected to come to the Office of the Department of Foreign Languages to identify it.

The Office of the Department

of Foreign Languages