The invention discloses an information processing method and an information releasing system. The information processing method comprises the steps of acquiring information to be released from a database base of a releasing terminal and unit expenditure information corresponding to the information to be released, and acquiring an additional expenditure strategy, which is set by a third-party platform in allusion to the information to be released, from a database corresponding to a management terminal; parsing the additional expenditure strategy corresponding to the information to be released to acquire a dimension indicated by the additional expenditure strategy, determining target information in the information to be released from the dimension indicated by the additional expenditure strategy, and updating the unit expenditure information corresponding to the target information based on additional expenditure information indicated by the additional expenditure strategy; and determining priority ranking of the information to be released based on updated the unit expenditure information of the information to be released, and releasing the information to be released to a client based on the priority ranking. By adopting the method and the system disclosed by the invention, the third-party platform can be supported to adjust the release priority ranking of the target information, and a propagation effect of the target information is enhanced.