Suponsin, S. (2004) investigate factors affecting selected dormitory of the students’ Chiang Mai University. The 180 participants in research, and it was analyze by percentage for grading of factor affect to select dormitory. The results of the research were the important factor were for selection dormitory of the students’ Chiang Mai University which they fist choose was rent, utilities, safety, distance, tranquility and roommate, in first, second, third, fourth, fifth and sixth place respectively. The study found that there weren’t difference between factor in the choice for selection dormitory of male students and female students, and information adhered to the hypothesis.