The scientific research of education is a kind of activity in which we discover and reveal the unknown educational phenomenon, the essence and rule of it. As question study is the key of the educational research, then the quality and success of scientific research have to depend on whether a true question can be found or not. In the following article, I first analyzed the concept of Question? Secondly , based on the traditional standpoint of Theory of Truth and the viewpoints of some scholars, what was true question was discussed. Finally I made a primary analysis of true question.