北大哲學系畢業後，牟宗三先後喺山東壽張縣鄉村師範、廣州學海書院、山東鄒平村治學院、廣西梧州中學、南寧中學、華西大學、中央大學、金陵大學、浙江大學講書，佢係講邏輯同埋西方文化為主。三十年代，曾經寫過《歷史與文化》同埋《再生》雜誌。1949年，牟宗三又到臺灣國立臺灣師範大學同埋東海大學任教。1954年擔任埋臺灣教育部學術審議委員。
After graduating from the Department of Philosophy of Peking University, Mou Zongsan successively lectured at the Rural Normal School of Shouzhang County, Shandong, Xuehai Academy in Guangzhou, Zouping Village Governance College in Shandong, Wuzhou Middle School in Guangxi, Nanning Middle School, West China University, Central University, Jinling University, and Zhejiang University. In the thirties, he wrote "History and Culture" and "Regeneration" magazines. In 1949, Mou Zongsan went to Taiwan National Taiwan Normal University and Tunghai University to teach. In 1954, he served as a member of the Academic Review Committee of the Ministry of Education of Taiwan.