明、清戏曲理论中有关戏曲音乐问题的论述可分为作曲和演唱理论两大类。其中演唱理论较为系统,有代表性的著述当推《南词引正》、《度曲须知》和《乐府传声》三种。这三部论著在一定程度上体现了我国古代戏曲演唱理论的主要特点,并从纵的方面 The dissertations on opera music in the theory of drama and drama in the Ming and Qing Dynasties can be divided into two major categories: composition and singing theory. One of the more systematic and representative theory of singing, when pushing the “Southern Ci cited positive”, “degree notes” and “Yuefu sound” three. To a certain extent, these three monographs embody the main features of the theory of singing in ancient Chinese operas and, from a longitudinal aspect