This author analyzed the history and achievements of the Korean Museum Association ("KMA") for the last 40 years since the establishment of the Korea People's Association of Museum, KMA's predecessor, on December 15, 1976, throughout its operation after the reorganization into the current form. The purpose of study, which based on the analysis of the introduction of modern museum into Korea, the beginning of the institutional framework for museum and to the present situation of establishment and management of museums in Korea, is to identify the challenges faced by the Association, look for ways to cooperate with other associations, and provide a number of suggestions for the future of the Association. Based on the chronological periods of KMA suggested by Dr. Tae-seok Yoon, Head of the Planning and Support Office of KMA, the author described the achievements of KMA based on the following periodization: Ⅰ. People's Association Era: 1. Period under the leadership of Ja-yong Cho, the first President (1976-1978), 2. Period under the leadership of Dong-hwa Huh, the second - sixth President (1978-1988), Ⅱ. KMA Era: 1. Period under the leadership of Dong-hwa Huh, the first - second President (1988-1991), Ⅲ. KMA Foundation Era: 1. Period under the leadership of Dong-hwa Huh, the first - second President (1991-1999), 2. Period under the leadership of Jong-gyu Kim, the third - fourth President (1999-2007), 3. Period under the leadership of Ki-dong Bae, the fifth President (2007-2009), 4. Period under the leadership of Bo-sam Jeon, the sixth - seventh President (2009-2014), and 5. Period under the leadership of Quae-jung Kim, the 8th President (2015-2018). KMA has been implementing various projects to maintain an organic system of cooperation between museums and art museums in and outside of Korea and contributing to protecting and development the institution, so that the museums and art museums may contribute to the advancement of the Korean culture and fulfill their role as educational institutions through sound activities. Furthermore, this author would like to suggest, KMA be reorganized into the Korea Alliance of Museums (KAM) in the future, as the Association of American Museums reorganized itself into Alliance of American Museums (AAM) to keep up with changes today.