Abstract: A real-time personal fitness training guidance system is described. A camera unit including one or more cameras is provided to take images of a user ready to use or using an exercise equipment. One or more current vital signs and physical activity information are derived from the captured images. Further, a personal fitness training guidance is generated for the user in accordance with the current vital signs, the physical activity information and a workout program the user is doing. To allow the user to see how he or she is doing in his/her workout, an output unit is provided to show the personal fitness training guidance to the user in real-time. An external device is also provided to generate a coaching guidance for the user.