Office automation is a measure that uses computer or data processing system to automatically handle some routine work in daily office instead of manual work, which is called office automation. Such as accounting, statistics, planning, purchasing, sales, documents and other information, generally have the following functions: (1) word processing functions, including editing, modifying, storing and printing documents; (2) graphic processing function; (3) Sound processing function; (4) Daily transaction processing functions, such as meeting arrangement and mail management; 5] Local network function, that is, connecting all departments of an organization into a network, sharing resources and exchanging information.