The invention provides a bottle conveying mechanism which comprises a conveying assembly, a power device, a transmission device and a plurality of supporting devices; the conveying assembly comprisesa cross beam and conveying belts; the conveying assembly is arranged at one end of the cross beam, the transmission device is arranged at the end, away from the power device, of the cross beam, and the power device and the transmission device are sleeved with the conveying belts; a bearing assembly located between the conveying belts is arranged on the cross beam, and the plurality of supporting devices are arranged on the cross beam.