浙北吴语是吴方言的次方言。德清话是浙北吴语的重要一种。德清话的声韵调系统中：声母有２８个，其中浊声母１３个，没有普通话中的翘舌音；韵母有３２个，没有撮口呼，复合元音多为后响复合元音，没有浙北吴语其它各县所有的韵母［ο］；声调有８类，不计声调的基本音节３９２个。对德情话的声韵调系统进行描写分析，并与普通话的声韵调系统作对比研究，有助于方言研究和推广普通话。 Northern Zhejiang Wu Dialect is the second dialect. Deqing dialect is an important kind of Wu dialect in northern Zhejiang. There are 28 initial consonants in the Deqing dialect, of which 13 are voiced consonants, and there is no flip-flop tone in mandarin. There are 32 consonants, Northern Wu dynasty all vowels in other counties [o]; There are eight tones in tone, excluding tone basic syllables 392. The description and analysis of the phonological tone system of German love speech is compared with the phonological tone system of Putonghua, which is helpful for dialect study and promotion of Putonghua.