The invention discloses a wire saw machine. The wire saw machine comprises a machine frame, a diamond string bead wire, a driving device, rotating brackets and two servo drive systems. The machine frame is provided with a plurality of guide wheels. The diamond string bead wire is wound around the multiple guide wheels and tightened in an end to end connecting mode. The driving device is mounted onthe machine frame to drive the diamond string bead wire to perform wiring in a circulating mode along the guide wheels. The machine frame is in an arch shape, and the diamond string bead wire spans an arch-shaped opening. The rotating brackets are symmetrically disposed on both sides of the arch-shaped opening of the machine frame, and two support wheels of which the two outer peripheral surfacesabut against each other in a rolling mode are installed on each rotating bracket. The diamond string bead wire passes through between every two support wheels, and annular grooves corresponding to the diamond string bead wire are formed in the outer peripheral surfaces of the support wheels. The two servo drive systems are arranged corresponding to the two rotating brackets, and the servo drive systems are connected to the machine frame and drive the rotating brackets to rotate. The wire saw machine can cut in any direction and has high cutting efficiency.