通知、启事是向公众说明或传达某种信息的简短文字，具有语言简洁，篇幅短小，内容具体明确的特点。
通知可分为书面通知和口头通知两种，通常用“Notice”“announcement”作为标题。通知文体一定要开门见山，简明扼要。书面通知一般包含标题、日期、通知事项、时间、地点、具体要求及落款等内容。口头通知一般只包含通知事项、时间、地点、具体要求等。
其适用于机关、团体或个人以公告的形式向群众提出某些要求，向公众公开说明某些事情或向他人寻求帮助，常见的启事有遗失启事、招领启事、更正启事、寻物启事等。这类文体标题写于正文上方正中;日期通常写于正文的右上方，有时写在低于落款的左下方;落款处写出发通知、启事的人或单位的名称。
通知、启事的正文内容要具体明确，语言精练，除了写清事件、时间、地点具体要求，还可丰富以下内容:(1)活动的部分细节(以吸引大家参加);(2)活动的目的和意义;(3)票务、交通等。
Sample 1
Notice
Dec.15，2010
Christmas day is coming.We will hold an English party on Christmas Eve in the meeting hall of our school.It will begin at 7：00 and end at 10：00 in the evening.Each group has to prepare two or three performances.Eor example，singing English songs，playing English plays，telling jokes or stories in English and reading English poems.
Welcome to take part in the party on time.
Dean’s office(www.xing528.com)
Sample 2
Notice
In order to create a chance for students to show and learn from each other，an English Speech Contest will be held at the Lecture Hall at 7：00 p.m.，Sept.20，2013.Students from other three colleges will also be present.The English Club will put on a short English play at the end of the contest.
Come and join us！You may have an exciting and unforgettable evening！Please contact the English Club for tickets（limited to 120）.
Students’Union
Eoreign Language Department
Sample 3
Lost
I lost my wallet with carelessness on my way to school this morning.Inside there is some money，IP card and a monthly ticket.Will the finder please send it to No.11 Middle School or telephone me？My name is Wang Li，my telephone number is 669745.Thanks.
Wang Li
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