Properties of tongue coating Thickness:thin exterior, thick_interior,dampness,food stagnation Moistness:slippery_cold,dampness dry_heat,Yin deficiency Greasiness and curdiness: curdy_dampness,food stagnation, greasy_dampness,phlegm,food stagnation, dampness-heat Peeling:(mirror-like coating,map-like coating)deficiency of stomach Qi and Yin Root:true coating_excess,heat, falso coatina doficioncy Properties of tongue coating • Thickness: thin_exterior, thick_interior, dampness, food stagnation • Moistness: slippery_cold, dampness dry_heat, Yin deficiency • Greasiness and curdiness: curdy_dampness, food stagnation, greasy_dampness, phlegm, food stagnation, dampness-heat • Peeling: (mirror-like coating, map-like coating)deficiency of stomach Qi and Yin • Root: true coating_excess, heat, false coating_deficiency