Vehicle and coupling of bogie of vehicle

The invention discloses a coupling of a bogie. The coupling comprises a first half coupling body (1) connected with a motor shaft (4), a second half coupling body (3) connected with a gear case shaft (5) and a connecting piece (2) clamped between the first half coupling body (1) and the second half coupling body (3). The connecting part of the first half coupling body (1) is provided with first gear teeth. The connecting part of the second half coupling body (3) is provided with second gear teeth. The side of the connecting piece (2) is provided with third gear teeth. The third gear teeth can be clamped in gaps between the first gear teeth and the second gear teeth, and the first gear teeth, the second gear teeth and the third gear teeth can be engaged with one another. According to the coupling of the bogie, the problem that a coupling is not convenient to connect is effectively solved. The invention further discloses a vehicle which comprises the coupling of the bogie.