An information processing method, which is applied to a first Device-to-Device, D2D, User Equipment, UE, comprising: receiving auxiliary information from a first access node of the first D2D UE; and accessing a second access node according to the auxiliary information; wherein the second access node is a first base station, and the first access node is a relay node in a first cell or a second cell; the first cell is a cell of the first base station; the second cell is an adjacent cell of the first cell; characterized in that wherein the receiving the auxiliary information from the first access node of the first D2D UE comprises: receiving, by the first D2D UE, the auxiliary information from the relay node; wherein the auxiliary information comprises cell information of the first cell, cell information of the adjacent cell of the first cell and dedicated random access resource information of at least one of the first cell and the second cell, wherein the cell information comprises at least one of the following: a frequency, a cell ID, a cell access barring indication and a cell access probability parameter; wherein the cell access barring indication is arranged to indicate that the first D2D UE is barred to access a corresponding cell; and the cell access probability parameter is arranged to control a number of UEs accessing the corresponding cell. receiving auxiliary information from a first access node of the first D2D UE; and accessing a second access node according to the auxiliary information; wherein the second access node is a first base station, and the first access node is a relay node in a first cell or a second cell; the first cell is a cell of the first base station; the second cell is an adjacent cell of the first cell; characterized in that wherein the receiving the auxiliary information from the first access node of the first D2D UE comprises: receiving, by the first D2D UE, the auxiliary information from the relay node; wherein the auxiliary information comprises cell information of the first cell, cell information of the adjacent cell of the first cell and dedicated random access resource information of at least one of the first cell and the second cell, wherein the cell information comprises at least one of the following: a frequency, a cell ID, a cell access barring indication and a cell access probability parameter; wherein the cell access barring indication is arranged to indicate that the first D2D UE is barred to access a corresponding cell; and the cell access probability parameter is arranged to control a number of UEs accessing the corresponding cell. receiving, by the first D2D UE, the auxiliary information from the relay node; wherein the auxiliary information comprises cell information of the first cell, cell information of the adjacent cell of the first cell and dedicated random access resource information of at least one of the first cell and the second cell, wherein the cell information comprises at least one of the following: a frequency, a cell ID, a cell access barring indication and a cell access probability parameter; wherein the cell access barring indication is arranged to indicate that the first D2D UE is barred to access a corresponding cell; and the cell access probability parameter is arranged to control a number of UEs accessing the corresponding cell. a frequency, a cell ID, a cell access barring indication and a cell access probability parameter; wherein the cell access barring indication is arranged to indicate that the first D2D UE is barred to access a corresponding cell; and the cell access probability parameter is arranged to control a number of UEs accessing the corresponding cell.