National Chinese Medicine Master Sun Guangrong has deeply studied on how to grasp the key of "pulse and symptoms observing" in clinic.He thought" pulse and symptoms observing" is the generalization of the diagnostic method of TCM,which is the "major syndrome" obtained through four diagnostic methods.A poetry was formed to elaborate the connotation:the elements syndrome differentiation should be remembered in mind,the basic skills were the most important among the four methods of diagnoses;the inspection is the first step,and observe the vital essence of patients;eyes,nose,tongue and nail's che...