Abstract: The shift of the “sound changing point” in singing art is one of the important skills in voice changing. However, for a long time people are lack of complete and correct knowledge of it, which causes sidedness and randomness in sound changing. In order to explore the basic law of the shift of the “sound changing point” in singing art, this thesis elaborates the issue from several aspects such as the shift phenomenon of the “sound changing point”, the voice condition of shifting the sound changing point, the restraining factors of shifting the sound changing point, etc.

Key words: voice, register, &ldquo, sound changing point&rdquo, , shift