A method for a smart cup for performing command control via a gesture, comprising: a tilt angle sensor (121) detects an included angle θ between a smart cup and a vertical direction and an included angle α between the smart cup and a preset horizontal reference line in real time, and sends data about the included angles to a control unit (122); the control unit (122) calculates changes in the angles according to the data about the included angles, and recognizes a corresponding gesture according to the changes in the angles; and the control unit (122) matches and executes a corresponding command according to the gesture.