Abstract: This paper introduces the differential satellite positioning technology for X-ray detection of pipeline crawler. Starting from the analysis of the structure and function of the core components of intelligent driving control device, and combining with the principle of satellite positioning, the paper systematically expounds the specific application process of differential satellite positioning technology in X-ray pipeline crawler. Through the data analysis of the test image, the conclusion is drawn that the application of differential satellite positioning technology in X-ray pipeline crawler detection has the advantages of high automation, high precision of continuous multi-point positioning and high detection efficiency.