在我国,自从有了文字,就产生了公文。从我国发现最早的文字甲骨文来看,内容多是商代王室祭祀占卜或狩猎的记录。在当时,祭祀占卜就是公事。《尔雅·释诂》云:“祀,国之大事也。”它们虽然简短,少则几个字,多则百余字,但在记录人物、牲畜、时间、地点、方向上,是相当准确的。书契也是我国最早的公事文书。《周易·系辞下》里说“上古结绳而治,后世圣人易之以书契。百官以治,万民以察,盖取诸决”。即书契的用途在于治官、治民,在于决断事情。直到现在,契约、证书等文书仍保留着最古的书契的意思。时间已经过去了三千多年。在这悠悠的历史长河中,公文的内容和体式不断地经历着变化、发展、创新的过程。公文的载体亦从甲骨文、金石文、竹木文、绢帛文、纸张文发展到今天的电脑、传真等。但是公文作为国家政权和社会集团在自己的活动中用来表达意图、传布决策、联系公务、办理事务、记录政事的书面工具这一本 In our country, a document has been produced since the writing was made. From the earliest written version of Oracle found in our country, most of the content is the records of sacrificial divination or hunting in the royal family of Shang Dynasty. At that time, sacrificial divination was official. However, in recording people, animals, time, place, and direction, they are more than a few words in length, Quite accurate. Book deed is also China’s earliest official document. The Book of Changes, under the censure, said: "Ancient knot rope and rule, later saints easy to book contract. That is, the purpose of the book is to rule the government, rule the people, is to decide things. Until now, contracts, certificates and other documents still retain the meaning of the oldest book. Time has passed for more than three thousand years. In this long history, the contents and style of the official document constantly undergo the process of change, development and innovation. Official document carrier also from Oracle, Jinshiwen, bamboo and wood, silk silk, paper development to today’s computer, fax and so on. However, as a written instrument used by state power and social groups to express their intentions in their own activities, disseminate decision-making, connect with public affairs, handle affairs and record political affairs