An information processing method performed by a control platform , the method comprising: • receiving request information from a target device when the target device detects that a user corresponding to a user equipment is not in a vehicle corresponding to a vehicle-mounted device (S 102), ∘ wherein the target device comprises at least one of the user equipment , the vehicle-mounted device , and a network device , wherein the network device is a device used when the user equipment and the vehicle-mounted device communicate with each other, ∘ wherein the request information carries an identifier of the user equipment and an identifier of the vehicle-mounted device , and the request information is used to request the control platform to cancel an association relationship that is between the user equipment and the vehicle-mounted device and that is stored on the control platform , to allow the user equipment to enable a vehicle-to-pedestrian, V2P, function; • after the reception of the request information, cancelling the assocation relationship between the user equipment and the vehicle-mounted device ; and • sending indication information to the user equipment based on the request information, wherein the indication information is used to instruct the user equipment to enable the V2P function, to allow transmission of a V2P message between the vehicle-mounted device and the user equipment (S 104). • receiving request information from a target device when the target device detects that a user corresponding to a user equipment is not in a vehicle corresponding to a vehicle-mounted device (S 102), ∘ wherein the target device comprises at least one of the user equipment , the vehicle-mounted device , and a network device , wherein the network device is a device used when the user equipment and the vehicle-mounted device communicate with each other, ∘ wherein the request information carries an identifier of the user equipment and an identifier of the vehicle-mounted device , and the request information is used to request the control platform to cancel an association relationship that is between the user equipment and the vehicle-mounted device and that is stored on the control platform , to allow the user equipment to enable a vehicle-to-pedestrian, V2P, function; • after the reception of the request information, cancelling the assocation relationship between the user equipment and the vehicle-mounted device ; and • sending indication information to the user equipment based on the request information, wherein the indication information is used to instruct the user equipment to enable the V2P function, to allow transmission of a V2P message between the vehicle-mounted device and the user equipment (S 104). ∘ wherein the target device comprises at least one of the user equipment , the vehicle-mounted device , and a network device , wherein the network device is a device used when the user equipment and the vehicle-mounted device communicate with each other, ∘ wherein the request information carries an identifier of the user equipment and an identifier of the vehicle-mounted device , and the request information is used to request the control platform to cancel an association relationship that is between the user equipment and the vehicle-mounted device and that is stored on the control platform , to allow the user equipment to enable a vehicle-to-pedestrian, V2P, function; • after the reception of the request information, cancelling the assocation relationship between the user equipment and the vehicle-mounted device ; and • sending indication information to the user equipment based on the request information, wherein the indication information is used to instruct the user equipment to enable the V2P function, to allow transmission of a V2P message between the vehicle-mounted device and the user equipment (S 104). <EOS>