The way of medicine lies in reconciling yin and yang, so that the qi of the human body is in harmony with the qi of heaven and earth. And sound, as a means of promoting harmony, must also follow the path of heaven. Anyone who hears a low, intermittent, or stagnant voice belongs to Yin syndrome; If the sound is loud, powerful, and loud, it belongs to the Yang syndrome. In addition, it is necessary to comprehensively observe the patient's appearance, pulse, tongue, etc., in order to accurately determine their yin and yang deficiency and excess. If the principles of yin and yang can be distinguished, corresponding medicinal stone needle techniques can be used to help the patient's qi to support the right and eliminate evil, and restore its normal function.
医家之道，在于调和阴阳，使人身之气与天地之气相合。而声音，作为和气之宣发，亦须顺天道而行。凡闻声低微、断续、不扬者，皆属阴证；若闻声高亢、有力、响亮者，则属阳证。此外，还需结合患者之形色、脉象、舌象等全面观察，以准确判断其阴阳虚实。若能辨明阴阳之理，则可运用相应之药石针砭手法，使患者之气得以扶正祛邪，恢复其正常之功能。