调号学习是音乐基础理论中的一个重要的教学部分。但是现行的许多音乐教材中关于调号的知识涉及的很少,这使得很多老师对于此部分的教学陷入困境,是教学进度很难进行,而学生在学习这部分知识时,也觉得不好学。本文将就乐理教学中的调号的识别方法进行探讨,以期对乐理教学中能有所帮助。 Key number learning is an important teaching part of the basic theory of music. However, there are very few knowledge of tone numbering in many current music teaching materials. This makes many teachers find it difficult to teach the teaching of this part. However, when students learn this part of knowledge, they feel that they are not good at learning. In this paper, we will discuss the method of recognizing the key number in music theory teaching in order to help music teaching.