The invention aims to provide a basketball serving machine which comprises a movable vehicle frame, a force-adjustable ejection device and a basketball storage device. The force-adjustable ejection device comprises a launching barrel and an ejection rod. A slab is arranged behind the launching barrel. The ejection rod is inserted into the launching barrel along the slab. The portion, located in the launching barrel, of the ejection rod is sleeved with a force accumulation spring. The portion, located on the slab, of the ejection rod is provided with a rack. A gear motor and a gear swing frame motor are arranged below the slab. A gear and a gear swing frame are arranged above the slab. The gear motor is connected with the gear. The gear swing frame motor is connected with the gear swing frame. The gear is fixedly connected with the gear swing frame. The rack is meshed with the gear. The basketball storage device a basketball storage barrel support, a basketball storage barrel and an electromagnetic switch. The basketball storage barrel is fixed to one side of the launching barrel through the basketball storage barrel support. The launching barrel is provided with a basketball hole communicated with the basketball storage barrel. The electromagnetic switch is arranged on the basketball storage barrel. The basketball serving machine has higher adaptability to various training modes.