According to the apparatus provided in this embodiment of the present invention, after the identification information sent by the first user equipment is obtained, the second shared information related to the identification information is determined from shared information published by the second user equipment that is associated with the first user equipment, and then the determined second shared information related to the identification information is sent to the first user equipment. Therefore, according to the method in this embodiment of the present invention, message can be published based on the identification information, and in this way, association and attention between the associated user equipments are further promoted. In addition, the first user equipment obtains the second shared information related to the identification information that is sent by the first user equipment, so that the first user equipment is prevented from screening the shared information, and the first user equipment can more efficiently obtain the shared information related to the identification information that is sent by the first user equipment.

Based on a same conception, Embodiment 4 of this application provides an information processing apparatus 600 that is configured to perform the method procedure of the foregoing Embodiment 1. It should be noted that in this embodiment of the present invention, the information processing apparatus 600 may be first user equipment. The first user equipment may be a wireless terminal or a wired terminal, for example, may be a mobile phone, a computer, a tablet computer, a personal digital assistant, a mobile Internet device, a wearable device, an e-book reader, and the like.

As shown in FIG. 6, the apparatus includes: