Abstract: An interactive system for exercise condition and a method thereof are described. In the system and method, a trainer terminal gives an exercise direction to a trainee terminal through a server according to exercise data and physiological data that represent the trainee terminal generated by a measurement equipment, so as to solve the problem existing in the prior art that the trainee might be injured due to the continuous and inappropriate fitness exercise because a fitness trainer has no time to give the exercise direction, thereby achieving the technical efficacy of real-time and long-time continuously giving the appropriate exercise direction to the trainee.