Method and system for binding mobile terminals and TV set-top boxes, and method and system for information interaction between mobile terminals and TV set-top boxes

The invention relates to a method and system for binding mobile terminals and TV set-top boxes, and a method and system for information interaction between mobile terminals and TV set-top boxes. The binding method comprises the following steps: receiving binding information of the mobile terminal and the TV set-top box, and acquiring the ID number of the mobile terminal and the ID number of the TV set-top box from the binding information of the mobile terminal and the TV set-top box; updating a mobile terminal mapping table according to the ID number of the mobile terminal and the ID number of the TV set-top box, wherein the mobile terminal mapping table includes the ID number of the mobile terminal and a plurality of mobile terminal mapping table nodes corresponding to the ID number of the mobile terminal, the mobile terminal mapping table nodes include the ID number of the TV set-top box, and the mobile terminal and the TV set-top box can communicate with each other. The binding method can bind a plurality