According to its progress and etiology, throat - bi syndrome (TBS) is differentiated as acute TBS, chronic TBS, wind - TBS, wind - cold TBS and deficiency - fire TBS.

• 喉痹按病情缓急和病因不同,有急喉痹、慢喉痹之分及风热喉痹、风寒喉痹、虚火喉痹等不同证型。