The invention provides an intelligent sorting machine and a control method thereof. The intelligent sorting machine comprises a mechanical hand, four banknote boxes which store banknotes of different denominations, a color sensor and a control system. The mechanical hand comprises a base component, an arm component and a gripper component. The control system comprises an ARM7 controller and a mobile phone. The controller controls the mechanical hand to pick up a banknote, the denomination of the banknote is identified through the color sensor, the banknote is sent into a corresponding banknote box, the mobile phone and the controller are connected through Bluetooth, the mobile phone scans a two-dimensional code corresponding to the banknote and transmits a signal to the controller, and the controller controls the mechanical hand to move to pick up the corresponding banknote box and send the banknote box to a taking port to realize the separate assembly of the banknote boxes. According to the intelligent sorting machine and the control method, the automatic pickup of the banknotes by the mechanical hand, the identification of the denomination of the banknote, the sending of the banknote into the corresponding banknote box and the separate assembly of the banknote boxes can be realized.