The objectives of this study were: 1) to study and synthesize the status of management and standard of university library in Thailand to ASEAN community, 2) to study the status of management for preparation of university library in Thailand to ASEAN community, 3) to develop university library in Thailand to ASEAN community model and 4) to propose the university library in Thailand to ASEAN community model. The samples consisted of 5 directors or experts of university library to study the first phase, 238 staff and 942 users of the university libraries to study the second phase, 14 directors or experts of university library to study the third phase and 5 experts to study the fourth phase. The data was collected by 1) interview form, 2) questionnaire, 3) Item Objective Congruence form (IOC) and 4) the questionnaire to propose the university library in Thailand to ASEAN community model from experts. They analyzed with content analysis, percentage, mean, standard deviation, t-test and F-test. The findings of this study were as follows: 1) Management of the university library began to prepare for the ASEAN community. The management policy of university library was from the policy of the university to identify the genetic activities of the library. Operational issues on the development of learning resources to support education in ASEAN. The libraries must have a policy of support for the ASEAN community, budgeting for management and promotional activity / project support ASEAN community, personnel readiness, instructional services in the region, academic service and research in the region, service search and development of digital content in more than one language, the environment of libraries to learning atmosphere ASEAN, cooperation between libraries in the region and quality assurance compliance with the quality assurance support services of ASEAN community. 2). The management of university library in Thailand preparation for the ASEAN community from performance of libraries’ staff were generally rated at “medium” (= 3.33, S.D. = 0.76) and the opinions libraries’ users were generally rated at “high” (= 3.72, S.D. = 0.61). 3) The model for the university library in Thailand to ASEAN community consisted of 7 components as followed: management, servicing, personnel, information resources, information resources management and knowledge warehouse, learning environment and cooperation network. And 4) the opinions of experts in the model for the university library in Thailand to ASEAN community were generally rated “highest” (= 4.86, S.D = 0.16). Key words: University Library, ASEAN Community, Library model, Thailand.