1. A method comprising: obtaining user information of one or more clients related to a particular information type of a particular client within a period of time, the one or more clients being different from the particular client; obtaining a plurality of correlated information types related to the particular information type based at least in part on the user information of the one or more clients that are different from the particular client; selecting one or more correlated information combinations from the plurality of correlated information types based at least in part on an application scenario of the particular client, the application scenario comprising an application platform of a web page accessed by the particular client, wherein selecting the one or more correlated information combinations comprises selecting a correlated information combination that satisfies the application platform of the web page from the plurality of correlated information types; computing respective one or more degrees of correlation between the one or more correlated information combinations and the particular information type; comparing the respective one or more degrees of correlations of the one or more correlated information combinations with a set value; selecting from the one or more correlated information combinations a correlated information combination which degree of correlation is greater than the set value to be a target correlated information combination; and providing the target correlated information combination to the particular client.