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In a small space or under the bad environment data acquisition, the traditional data acquisition equipment take up the space is big, the transmission rate is slow, is not convenient to carry. Aiming at these shortcomings, this paper designs a portable WiFi network technology of wireless data acquisition control system. This system includes data acquisition unit, the data transmission unit and data control unit three parts. The data acquisition control system can in WiFi network coverage area, with Android small handheld terminals as control terminal, the transmission channel, wireless network real-time control data acquisition card, and reads the data and real-time data to help users more reliable analysis of the actual situation, has reliable application value.