This song runs: The broken trap lies in the pond, its fish are the bream and the guan.

歌：陷池中，鱼是鳊鳅。

The pulse is divided into three parts known as cun, guan and chi. The indications of them are very important, each variety or combination of varieties is believed to reveal a distinct disease.

脉分为三个部分，即寸、、尺。它们的意义非常重要，种或几种脉象就可以种典型疾病。