The objective of this thesis is to develop the booking-reading room system at the library of Kasetsart University, Kamphaengsaen Campus. The tool of this thesis is the special Web Application booking a reading room of the library and the query for the satisfaction of the user system from the user group of 30 people as 25 users, 2 officers, and 3 librarians. Moreover, the statistical data system is the arithmetic mean and percentage.