Psychological stress results from the recognition of imbalance between self-adaptability and requirement of environment, thus result in strain of the body and anxiety of the mind. Presently more and more people pay attention to the damage from psychological stress.This research applied modern methods and measurements and explored the influence of psychological stress on the neuron—endocrine-thymus axis (NET) and the protection mechanism of JIA-WEI-XIAO-YAO pill. This paper was a typical example of theory mo...