Biological rhythms affect human behavior, especially people’s safety in production. During the critical period of the rhythm, people's physical strength is prone to decline, mood swings and mental confusion, and people's behavior fluctuates greatly. In particular, the more critical points overlap, the greater the risk. If workers are working in production positions at this time, it is easier to operate. Mistakes may even lead to work-related accidents. This can be fully illustrated by the statistics of accident investigations by many scholars. In addition, the results obtained from the application of biorhythm theory to guide safe production and guide safety management illustrate that biorhythm is a powerful measure to analyze the causes of accidents and prevent accidents.

The rhythmic phenomenon of perception of time being controlled by time that exists inside a living body is called "biological clock" or "biological rhythm"; this internal phenomenon reflected in the human body is traditionally called luck. In contemporary times, it is called luck. It is called human body biological rhythm or luck rhythm. But strictly speaking, there are differences in the expressions of biological clocks and human biological rhythms. The former one is an imported product, while the latter one is an orthodox Chinese element. The practice of "Human Biological Rhythms" has proven that only orthodox Chinese elements can truly reflect the basic laws of the human body's internal rhythm and also have operable social and practical value.