General education in a university plays an important role; it decides whether the university can achieve its ideals. For this reason, by reviewing and analyzing related works, this essay aims to examine the functions of general education in a university. The discussion aims to understand the correlation between general education and a university as well as its functions. The functions of general education in a university are as follows: 1. General education as a basis of professional education for a university. 2. General education can enrich the culture of a university 3. General education enables university students to become capable of independent thinking. 4. General education can give students a better ability to adapt to life. 5. General education can make students improve themselves. 6. General education can shape students into good citizens of the 21^(st) century.