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In order to monitor the production condition exactly and real-timely in underground and surface of coal mine, a new mobile application solutions scheme based on TD-SCDMA in coal mine is proposed. According to the high speed data service of third generation mobile communication systems, the wireless network of surface scheme was designed by the C/S structure, which can provide mobile communication and information synthesized service application. Wireless distance unit of super base station and its cascade were used to achieve effective covering of special environment of coal mine according to the different environment of underground tunnel. The wireless interface standard are studied based on the structure of digital mine, the workflow in application server is suggested too, which can provides the technical basis of 3G in the coal mine safety production.