Abstract: A treadmill and a control method of the treadmill are provided. The treadmill includes a receiving unit and a processor. In the control method of the treadmill, at first, a communication unit is configured to receive heart rates of a user detected by a detection unit. Thereafter, the processor is configured to perform a running speed control operation to control a running speed of the treadmill in accordance with a predetermined exercise setting and the heart rates of the user, thereby enabling the user to exercise in aerobic state and updating the predetermined exercise setting accordingly.