The invention discloses a data mining processing system and method. The system comprises a data acquiring unit, a data classifying unit and a data processing unit, wherein the data acquiring unit is used for acquiring data and outputting the data to the data classifying unit, and the data are classified into various data types and can represent user relations with indication features in a user relation chain in different dimensionalities; the data classifying unit is used for carrying out comprehensive analysis on the various types of data according to a classification strategy so as to obtain the user relations with the indication features from the data in an analyzing mode and outputting the user relations with the indication features to the data processing unit; the data processing unit is used for collecting information according to the user relations with the indication features to send recommendation information according to the analysis result of the information.