With the number of telecom users and business volume increasing year by year, the traditional paper-made work orders has been unable to meet the needs of telecom companies and users because of low circulation efficiency, high cost, high failure rate and other drawbacks, the rapid development of computer technology makes office automation become the trend of future business development. Aiming at this problem, in this paper, a new set of telecommunication installation and maintenance office automation system is designed, which selects iphone iOS system, the most popular phone system as its development platform, using Xcode software for Objective-C language programming, using HTTP protocol to realize the data exchange between phone platform and web platform. The actual test proves that the system has stable performance, high work orders circulation efficiency and convenient real-time management, which improves the business efficiency greatly.