The invention discloses a rotating table device with a vacuum suction function. The rotating table device comprises a motor and a rotating table, and further comprises a vacuum fixture assembly, wherein the rotating table is fixedly mounted at the end part of a rotating shaft of the motor, the vacuum fixture assembly comprises a fixture base and a vacuum suction cup; the fixture base is fixedly mounted on the top surface of the rotating table; the vacuum suction cup is fixedly mounted on the top surface of the fixture base; a cavity is formed between the fixture base and the vacuum suction cup; a plurality of air inlet holes are formed in the vacuum suction cup and communicate with the cavity; an air exhaust port communicating with the cavity is formed in the fixture base; an air transmission channel is arranged inside the motor; one end of the air transmission channel communicates with the air exhaust port; and a connector used for being connected with an external vacuum pump is arranged at the other end of the air transmission channel. The rotating table device disclosed by the invention has the characteristics of being simple in structure, light in weight, and convenient to dismount and mount; and when the rotating table device is used for machining of a workpiece, the workpiece clamping and dismounting time can be shortened, and the production efficiency can be improved.