The business department is in charge of Japanese-language book sales to Taiwanese libraries, universities, and other research organizations. The foreign sales department manages Chinese-language book orders for branches in other countries and keeps track of Taiwan's publishing world.
營業部負責台灣各圖書館、大學等研究機構的日文書販售；海外部則為海外各分店中文書訊的窗口，主要整合台灣出版的最新訊息，並幫忙海外分店訂購中文書。