The most ideas about the meridian essence and phenomena might be partially right and the key to deep out study should have helped to bring about a complete understanding about the meridian system that could comprehend the classical and modern knowledge. Now what we should do was

more importantly

the choose the proper standpoint besides excluding the bias. General speaking

judging the meridian essence by evolutionism was not only a scientific research and also the shortcut to get the understanding. After widely investigating the possible prototypes of meridian system in animal evolution history

author found that the longitudinal-cord nervous system had the similar characteristics with the meridian system. That means the meridian system was some historic trace of the primary cord nervous system. This idea could be call the historical trace or atavism theory about the meridian essence. Nearly all the related studying results were in favor of the theory and it could reasonably comprehend the various meridian ideas. Author believed that the study on meridian essence from the standpoint of evolution should be the basic research field.