The invention discloses a station starting and stopping device for a continuous curved surface polishing machine. The machine comprises a station unit, a gear claw clutch device and a vacuum suction device, wherein the station unit comprises rotary assemblies, a sealing cover, mounting plates, supporting seats, a station transmission shaft, station driven gears, bearings, round nuts, bearing pressing covers, station driving gears, elastic retaining rings for a shaft, combining sleeves, compression springs and spring seats, wherein the gear claw clutch device comprises an air cylinder base, a separating air cylinder, a separating claw and linear sliding rails; and the vacuum suction device comprises a vacuum sucker, and a vacuum tube and a rotary joint. According to the invention, manual feeding and discharging can be met, and automatic feeding and discharging can also be met, so that the purpose of continuously polishing under the condition of no shutdown can be achieved, and the utilization rate and the production efficiency of equipment can be greatly improved.