Abstract: Big data analysis technology has become the power of the times,some domestic and foreign oil companies and scientific research institutes also began to try to use this technology in oil exploration and development.In the field of log data interpretation,it is a problem for the contemporary logging practitioners to improve the accuracy of log interpretation and to improve the efficiency of exploration and development.Based on the analysis of traditional well logging data processing and interpretation technology and big data analysis technical features,the paper discussed the logging data processing and interpretation of big data analysis challenges and technical difficulties,and then put forward a kind of based on the big data analysis of well logging data processing and analysis method.Looking into the future,the logging practitioners need to face the challenge of the traditional log interpretation technology from three aspects,namely theory,technology and practice.