The whole syllable recognition generally refers to the syllable whose pronunciation is still the same as the initial consonant after adding a vowel (or the pronunciation is still the same as the final consonant after adding an initial consonant). That is to say, the whole syllable recognition should be read out directly without spelling. There are some of them. It can be divided into two types: flat tongue sound and warped tongue sound. There are three flat tongue sounds: Z, C, s; four raised tongue sounds: Zh, CH, SH, R.