In Japanese history, the university clerk was an official position in the legal system, mainly responsible for the education of students and the examination of Japanese Buddhist terms. That is, the hut taught by Buddhism.

Students stay inside to study. It is the name of a Japanese Buddhist temple that simulates the bureaucratic system of learning and being an official. From the Muromachi period (1392 ~ 1573) to the Edo period (1600 ~ 1867), there were huts in Changgu Temple, ChiSaya-in Temple, Zengshang Temple, Kuanyong Temple and Hongan Temple. , known as study hut, persuasion study hut and persuasion college. Liao is a Chinese character, pronounced liáo, which means hut and small window, the same as "Liao" and the official. "Rice" and "_" together mean "long row houses". A long row of rooms is a dormitory, either a big store or a single room, and each room has a ventilation window.