According to an example, at least one hot account is determined for each category according to quality scores and correlation degrees of history user generated content (UGCs); after a UGC newly posted by the hot account is received, if a quality score of the newly posted UGC is higher than a predefined quality score threshold and a correlation degree between the newly posted UGC and the category that the hot account belongs to is higher than a predefined correlation degree threshold, the newly posted UGC is determined as a hot UGC.