Abstract: In this paper, Microchip´s PIC24FJ128GC006 is used as the central processing unit, and LabVIEW is used as the host computer software development platform to develop a DHT8X digital temperature and humidity sensor data acquisition system. The multi-channel digital signal is collected by the single-chip microcomputer, and the collected data is transmitted to the upper computer through RS232. The data acquisition system designed by LabVIEW performs data display, processing, storage, and generates data records. It has been verified that the device is easy to operate, accurate in data reading and has good running performance.