Aspect of Tongue	Characteristic	Clinical Suggestion	Eight principle Pattern
Spirit	Vibration, Tension, Movement	Good or poor prognosis
Body	Color	Yin organs, Blood, Nutritive Level	Cold/Hot, Yin/Yang
	Shape	Yin organs, Blood, Qi	Deficiency/Excess
Coating	Color	Heat or Coldness	Hot/Cold
	Thickness	Strength of Pathogenic Factor or weakness of Qi	Deficiency/Excess
	Distribution	Progression or regression of pathogenic factor; location of invasion;	Interior/Exterior
	Root	Strength of Qi, Esp. Kidney and Stomach	Deficiency/Excess
Moisture		Condition of bodily fluids	Hot/Cold Yin/Yang

Aspects of Tongue Diagnosis