Abstract.With the rapid development of China's economy and the Internet, credit data is continuously accumulating, and the trend of credit data diversification and magnanimity is obvious. Facing the diversified and massive credit data, it is necessary to analyze the credit data quickly and effectively, find the relevance of the credit data, extract the high value information from the credit data, and flexibly support the increasing demand for all kinds of credit business applications. Traditional technology cannot meet the requirements of large and complex data integration. More modern information technologies, such as big data, must be used for collection and analysis. It is of great significance to improve the effectiveness of government service and supervision, reduce costs and improve the efficiency of economic and social operation.