The crimson tongue has a deeper red color than red thin with black Tongue body is small and thin, coating is black, thin and dry. a. excess heat injuring the body fluids b. yin deficiency with heat dry coat appearance, wet to the touch a. damp heat with injury to the body fluids. This crimson tongue has a thick greasy coating, which looks very dry. yellow, greasy, sticky to the touch Excessive dry heat accumulating in the Stomach and Large Intestine. This tongue coating covers entire tongue. It is thick, dry, and rough. This coating has cracks in it, through which the deep red tongue body can be observed. yellow moist a. yin deficiency fire with damp heat in the Stomach and Large Intestine b. nutritive level heat with damp heat in the Stomach and Large Intestine c. pathogenic heat in the blood with heat due to long-term alcohol consumption d. early stage heat in the nutritive level, prior to body fluid injury greasy a. body fluids deficiency with damp-heat steaming up. The tongue coat looks wet, but feels sticky when touching it. b. excess heat in the middle burner with turbid phlegm. The tongue surface has a layer of transparent mucus but is not actually a coating. thin white a. yin deficiency with deficiency heat constitution which is then attacked by wind cold. The red tongue prior to the attack. Crimson Tongue crimson after coat crimson before coat b. ext. pathogen transformed into nutritive or blood level heat. The red tongue gradually formed as the heat penetrated. Whether the coat came before or after the color is important. yellow and white Excess heat has entered the nutritive level or Stomach Yellow is found on root and middle, white is found on edges and tip. these colors indicate exterior cold transforming into interior heat Exterior syndrome transforming into nutritive level heat. The slight yellow coating is scattered with white lumps thick thin