The invention provides an off-
station user in-
station dynamic advertisement generating method and
system. The method comprises the following steps: S1, an off-
station user accessing into a website through a
search engine, and generating a
unique visitor identity identification for the user; S2, matching the
unique visitor identity identification with user identification information stored in the website, if matching succeeds, going to step three, and if the matching fails, going to step four; S3, according to user behavior information corresponding to the user identification information matching the
unique visitor identity identification and keywords input in the
search engine, calculating user preference products; S4, according to the keywords and user browsing information locally stored in the website, calculating user preference products; S5, according to the user preference products, searching a dynamic advertisement material
database for dynamic advertisements matching the user preference products; S6, integrating the dynamic advertisements into a dynamic advertisement template; and S7, a current webpage displaying the dynamic advertisement template. The method and
system provided by the invention can accurately display products that users want to browse and improve the order conversion rate.