The understanding mathematics teaching is one kind of teaching whose goal is to promote the knower to understand mathematics fully.

The mathematical understanding teaching design is the best way to put the current ideal math understanding teaching into teaching practice.

But researchers often treat them oppositely,divide them into different two parts,and even isolate them with or without consciousness,and forms of division are explicit and tacit,public and personal,researching and teaching,true and kind,which are caused by the mechanical,false,man-made and sheltered of misunderstanding of theoretical pedagogical knowledge and practical pedagogical .