A mechanical unlocking mechanism for electronic parking is provided, which comprises a parking cam assembly, a pawl assembly, a parking gear, a pull cord assembly and an actuating assembly, wherein the pull cord assembly comprises a pull wire and a guide shaft screw, each of two ends of the pull wire is provided with a pull wire ball head rod, the pull wire ball head rod is connected with an end of the pull wire and is connected with an end hole of the parking guide shaft or the actuating assembly via the guide shaft screw sleeved on the pull wire. The mechanical unlocking mechanism according to the present disclosure provides an emergent mechanical unlocking function when the parking motor is powered off, and the driver can perform manual mechanical unlocking in the cab without getting off the vehicle, so it has high safety and good operation comfort.