This study discusses the relations between personality and Korean pronunciation of Chinese learners. Trying to help in the study of finding the more efficiently way to teach the Korea pronunciation. In order to complete this study. I prepared in several steps. First, glancing over previous researches and data collection preparation for this study. Second, choosing thirty Chinese learners who are 24 to 27 years old as respondents. And these respondents who were divided to fifteens as a group. the study's respondents involved 15 women and 15 men who are studying or working in Korea. The study mainly used the question-and answer survey, the contrastive analysis to conducts the research. In order to research 30 respondent's personality , conducting a questionnaire during from 15th of 9 to 30th of 9 in the 2017. And then in order to all go well, it's necessarily to collect the recording from 30 respondents using the Korean. The recording's content was a documentation which was used in the Lim Oohyeol's study in 2015. Then, the respondents would recond their sounds by themselves' smart phone and send the audio file to six of Korean native speakers by email. The collection of recording was conducted from 1st, October of 2017 to 5th, October of 2017. And the pronunciation evaluation was going on from 7th, October of 2017 to 13th, October of 2017. The Korean native speakers would send the scores of pronunciation to the researcher by email. And at the last, collating the data and analyzing Third, first of the third step. Analyzing the results of respondents' personality. It would be divided into two kinds of personalities. such as extrovert personality and introverted nature. On the results there are 19 respondents were estrovert personality and 11 respondents were introverted nature. The extrovert personality's respondents were account for 63.3%. The introverted nature's respondents were account for 37.3% in the all of respondents. And there were 12 women respondents and 7 men respondents in the extrovert personality's respondents. An other side, 3 respondents were women, 6 respondents were men in the introverted nature respondents. The second of the third step. Analyzing the scores of pronunciation. Its' checking method was the combination of pronunciation five-rank systems. Results of analyzing, there were 14 respondents got 4 score points or more. 14 respondents got the score points from 3 to 4. Only 2 respondents got the score points between 2 to 3. None got 2 score points or less. The forth step, analyzing the relationship between personality and scores of pronunciation. Respondents' personality as the basic study content, was divided into extrovert personality and introverted nature. Then getting the average marks of extrovert personality respondents and introverted nature respondents. Comparing the two average marks. As a consequence, extrovert personality respondents were better than introverted nature respondents on Korean pronunciation. At last, getting the results through of this study. There are relations between personality and Korean pronunciation of Chinese learners. Extrovert personality Chinese learners are better than those introverted nature on the Korean pronunciation. So the professor should lead the Chinese learners to get more correct pronunciation, using the right ways which were according to Chinese learner's personality. If we can do this, this study will be help for Korean pronunciation teaching. Chinese learners will get more correct Korean pronunciation. Key words: Pronunciation, Extrovert personality, Introverted nature, Pronunciation acquisition