Interrogation occupies a very important position in the four methods of diagnosis. Through interrogation, the doctor can find out the pathogenic factors, the development of the disease and a lot of valuable information. Great ancient doctor Zhang Jingyue spoke of interrogation as “the main point in diagnosis and the first important thing in clinical practice” Interrogation occupies a very important position in the four methods of diagnosis. Through interrogation, the doctor can find out the pathogenic factors, the development of the disease and a lot of valuable information. Great ancient doctor Zhang Jingyue spoke of interrogation as “the main Point in diagnosis and the first important thing in clinical practice”