Also known as OA is a process using advanced technology to help people in the office to work effectively. As well as improves the efficiency of work in the office to a higher level.However, the guidelines in this report is only to gather information, concepts, knowledge about the office automation. At the initiative of the computer. , and various electronic devices used in the office.Depending on the size of the organization, suitability, administrators, staff, which may have different ideas. As well as marketing economic condition And the era of information technology, it is likely that OA.Almost every enterprise in the future.