One of the four diagnostic methods. While the patient describes their condition, the practitioner or their assistant purposefully inquires about the location of the patient's pain, the time of onset, causes, progression, previous treatments, medical history, lifestyle habits, dietary preferences, as well as family and life experiences related to the illness. This is an important method for comprehensively understanding the condition and medical history. In terms of inquiring about the condition, the "Ten Questions" are emphasized.