在汉语语音中,声、韵、调(声母、韵母、声调,下同)三者是有机的统一体,不仅缺一不可,而且互相影响。在汉语语音的演变过程中,它们亦不仅有着各自的演变史,而且有着互相影响的历史。在古汉语语音研究中,韵好于声,最差的则是调。在调的研究中,调类的研究又好于调值拟测。在韵方面,从先秦到明清,不仅有大量的韵文在,而且有字书,特别是韵书存世。声母研究方面,特别是上古,比韵的研究自然差得多,但我们仍有先秦的押声 In Chinese phonetics, sound, rhyme, tone (initials, vowels, tone, the same below) are organic unity, not only indispensable, but also influence each other. In the evolution of Chinese speech, they not only have their own history of evolution, but also have a history of mutual influence. In ancient Chinese phonetics research, rhyme is better than sound, the worst is tone. In the transfer of research, the transfer of class research is better than the transfer to be measured. In terms of rhyme, from the pre-Qin period to the Ming and Qing Dynasties, there are not only a large number of verses, but also word books, especially rhyming books. In the study of initials, especially in the antiquity, the research on rhyme is far less natural, but we still have the allegiance of pre-Qin