Research was invented by Confucius. Confucius traveled around the world with his disciples and was called the pioneer and model of research travel. At the same time, it is an active practice of "reading thousands of books and traveling Wan Li Road". Research, that is, inquiry learning, is collectively called inquiry learning internationally. It refers to an inductive learning process which is student-centered, in a learning environment composed of teachers and students, based on students' original concepts, and allows students to ask questions, explore and learn actively.

Study tour was not invented by foreigners. During the Spring and Autumn Period and the Warring States Period, Confucius traveled around the world with his disciples, which was called the forerunner and model of research travel, and was also the active practice of "reading thousands of books and traveling on Wan Li Road". The emergence of Confucian classic The Analects of Confucius is closely related to Confucius' travels.