On the basis of revealing the principles and laws of syndrome differentiation, we should deepen our thinking on the boundaries of the main complaint. This paper expounds the contents of the main symptoms and the chief complaints, as well as their similarities and differences, and clarifies the relationship between them. Starting from the four elements of disease location, disease nature, degree and time related to the main complaint, the article aims to lock the boundaries of the main complaint differentiation and re-excavate the connotation of the main complaint, further clarify the relations...
