This essay,on the foundation of the phonetic theory,analyses the existing problems of South Korean students in the process of learning Chinese pronunciation.Through the deep demonstration,we find that the interference and influence of mother tongue is one of the most important problems.In the course of learning Chinese pronunciation,South Korean students are used to referring to or using the pronunciation of their own language,which leads to the inaccurate pronunciation.In virtue of the analysis,the author also put forward some definite suggestions and measures on learning Chinese pronunciation.