[Objective] To guide the health preservation more scientifically and effectively through discussing relationship between natural timing and spirit-regulating, and studying the influence of lifecycle and time sequence regularity on the spirit-regulating. [Methods] The relationship of body and spirit, time property of the spirit, time sequence regularity and those lifecycle were adopted to analyse the theoretical basis and specific measures on regulating spirit based on time differentiation. [Results] Body as well as the spirit would be followed by the changes of the time sequence regularity, also at different stages of human body, the spirit changed with it accordingly. [Conclusion] TCM holds that body and spirit are unified, the lifecycle and natural timing affect human body and spirit correspondingly, so if we know the relation of the spirit and time, regulate spirit by time differentiation, which must be helpful for keeping good mind, even for health and longevity.