“…As for the difference from the classic content-based recommendation methods, the algorithm is mainly to conduct analysis and mining the user groups with high similarity to the target users, or item set similar to target item, and then use the user group and item set to provide personalized recommendation for users. According to the difference of used business association, the collaborative filtering recommendation algorithm can be divided into User-based collaborative filtering algorithm [5] , Item-based collaborative filtering algorithm [8,4] and Model-based collaborative filtering algorithm [11][12] , etc.. Each algorism in personalized recommendation system has its advantages and disadvantages, and also a certain degree of complementarity in preferences. So In the current Web recommendations will not adopt one single recommendation mechanism and strategy, but to integrate multiple methods, namely Hybrid Recommendation, thus to achieve a better effect of recommendation [13,14,15] .…”