Badminton ball serving device capable of accurately adjusting ball serving angle

The invention provides a badminton ball serving device capable of accurately adjusting a ball serving angle. The badminton ball serving device comprises a badminton ball serving device mechanical module and a mechanism movement control module. The mechanism movement control module is in communication with a motor in the badminton ball serving device mechanical module through a serial port. The badminton ball serving device mechanical module comprises a ball serving mechanism, a ball distributing mechanism and a machine position adjusting mechanism. The ball serving mechanism is used for completing the action of serving badminton balls/ the badminton ball serving action; the badminton ball automatic distributing mechanism is used for automatically distributing badminton balls; the machine position adjusting mechanism is used for adjusting the horizontal angle and the pitch angle of ball serving of a ball serving machine. The badminton ball serving device can ensure the synchronous rotating speed of two friction wheels of the ball serving mechanism through the motor and a double-side conveying belt transmission system.