This study takes Korean major students from four universities in Hebei Province of China as the research objects. Through the questionnaire survey, the author analyzes the current situation of Korean major students' sense of well-being in Chinese universities and the influence of various factors on students’ sense of well-being. The satisfaction of Chinese college students majoring in Korean in major selection, campus life, future planning, self-confidence and other aspects will affect their overall sense of well-being. To improve the sense of well-being will have a positive impact on students; on the contrary, the negative impact will rise. The factors that affect college students’ sense of well-being include types of universities, gender, grade, origin of students, family type, situation of brothers and sisters, annual family income, ways of entering Korean major, etc. The result shows that the influence of these factors on college students majoring in Korean varies to some extent. In particular, types of universities, grade, family type, position at home, and ways of entering Korean major have a great influence on students’ sense of well-being.