When many Technology colleges tend to upgrade to institutes or universities, and their transformation completed, the quantity and quality of books, publications and space of library were promoted significantly, but the behavior and degree of satisfaction of users is a critical part which librarians were eager to find out. This research selected different attributes (gender, academic system, department, grade) students to analyze their utilization behavior, degree of satisfaction and factors of satisfaction. The result showed that students utilization rate of library were quite high, the need of all publications and equipment were quite strong, but when the comments on contents and service quality of library were tend to be "no comment" or "not satisfactory". The other result revealed the five factors of satisfaction, which is "accessibility and convenience", "reasonability and thoughtfulness", "quality and abundance", "fashion and recreation", "profession and coverage".