The invention discloses a user multidimensional analysis and monitoring method based on
public information of an internet user. The method comprises the steps as follows: 1), data are collected and pre-processed; 2), the pre-processed data are analyzed and mined; and 3), display and
visualization are performed on results of
data analysis and mined data, and the data results are collected and used. Internet user data, mainly including micro blog, qq and micro-letter data and including basic personal information of the user and network speech data and main
internet business data including related channels of e-business, business forums and web portals and mainly including commodities, commodity sales, user evaluation and the like are collected; the collection is performed through a user-built calculation cluster, and undisclosed information such as
age prediction and the like is predicated and complemented according to the
public information. More accurate and efficient information collection and analysis can be achieved, and information of a market trend, a reputation for a
consumer and the like is better grasped from a quantity angle.