It is difficult for mandarin teacher to teach Mandarin tone ,especially in the phonetic aspect. And perhaps, the problem about mandarin tone is the most outstanding one of Chinese Lerner. Tone belongs to the category of Suprasegmental phonemes. Therefore, it is different in the different languages. There are many differences in the Suprasegmental phonemes between Chinese tone and Korean tone, that is to say, there are four tones in Chinese, but there is no in Korea, so acquiring tone will be more difficult for Korean students in the elementary level. Analyses features of the Korean students studying the Chinese tone acquisition order and error form, and find sout the reasons of error from the aspects of phonological system, intonation emotional factors, teachers’ quality and teaching methods, then puts forward some related strategies.