The invention discloses a user preference analysis method based on documents. The user preference analysis method comprises the steps that user documents are received; corresponding information of each dimension in the user documents is extracted and calculated according to a preset document analysis model, and accordingly a total user preference value is obtained, wherein the document analysis model is H(x) = V1S1 + V2S2 +... + VnSn, H(x) represents the total user preferences value on the specific aspect, V1, V2,...Vn respectively represent user preference values of the dimensions on the specific aspect, S1, S2,...Sn represent preset weight coefficients corresponding to the dimensions, and n is greater than or equal to 2; the calculated total user preference value is utilized to update a saved total user preference value. The user preference analysis method based on documents fills the blank of behavior preference analysis in the field of documents and provides sources for personalized recommendation service resources.