The study aims to evaluate the Kafr el-Sheikh University libraries according to quantitative criteria for quality assurance, and the study sample consist of 8 libraries, and quantitative criteria for quality assurance consist of the seven criteria covers 41 indicator,the results indicate: The study sample libraries achieved the standards by 45% and achieved the faculties libraries of engineering and trade standards at the lowest rate of 43%, while the College of Agriculture Library has achieved the standards of the highest percentage of 92%, and the standard of security and safety check of the highest proportion amounted to 83%, while the standard equipment for the library Defied disability has not been achieved as a percentage amounted to zero%, and there are serious shortcomings in achieving the standard of employees by 19%, and the standard of equipment and furniture by 25%