Abstract: Phonetic teaching is the foundation of teaching Chinese as a foreign language, in the face of Chinese beginners, there will be a period of time to learn pinyin, then correcting pronunciation will also exist throughout the learning process, if the learners can not grasp the Chinese pronunciation, learning will cause great and bad the influence on Chinese vocabulary, grammar , learners will have a low confidence to study Chinese. As a qualified Chinese teacher, we should master the necessary grammar knowledge, there should be some targeted teaching principles and methods.