This paper, through an examination of trials done by ""juku"" which had been symbolical in each times and of a number of assumptions toward the trials of juku from 1960's to this day, indicates some subjects to be examined from now on. In the 1960's, new types of juku had emerged remarkably, while another type of juku had been kept with tradition from the period of Edo. It had begun that new types had been attracted attention by mass-media. In the 1970's, a number of juku had developed new styles marked departure from anything that had been done before. ""Franchise"" system had been introduced to the management of juku, and a number of companies which had not related to education originally, had ventured into juku trade. Toward these tendencies, mass-media had attracted considerable attention by establishing a lot of tactics to report impressively. It had been also taken that a lot of organization related education had begun a valley of investigations about juku. From the beginning of the 1990's, some trends based on a new assumption of juku had emerged. Through recognizing the effectiveness of juku as one important educational institution, mass-media had altered their stance for approaching juku as the object of entertainment. The organizations of education had requested juku as it ought to be. The commercial trade had begun to propose a new management for juku necessary to survive between educational logic and commercial logic. Through these social experiences, juku now faces the subjects how to keep and create its originality while existing with other educational institutions meaningfully and how to balance with two logics.