With the development of telecom and network , many large application sy stems have requirements of wireless application.Due to the technology restraint , only simple applications such as short messages, email and so o n are used .Until the prevalence and popularization of J2EE , it can be capable of building more complex wireless application systems .J2EE platform provides not only a applicable model with several layers and module reoccupy , but also a consist security model and a flexible control of affairs .Users can quickly offer creative schemes for markets. J2EE was discussed , and furthermore , combining quickly developed wireless communication equipment, a wireless office system model was brought forward .A wireless mobile query system that is designed according to the model has been put into production and has well performance .It' s prov ed that the model of wireless mobile office information system has good practicality for similar system' s construction .