With a long history, the tongue diagnosis has been valued by physicians of different generations in the field of traditional Chinese medicine (TCM). With the advance of TCM, as an important part of TCM system on syndrome differentiation and individualized treatment, the tongue diagnosis is now attracting the worldwide attention.

Chapter 1 The outlines of tongue diagnosis

 1 The history of tongue diagnosis

 2 The outlines of tongue diagnosis

 2.1 The structure of the tongue

 2.2 The principle of inspection of tongue

 2.3 The methods of tongue observation

 2.4 The cautionary notes of tongue observation

Chapter 2 The normal tongue and its physiological variations

 1 The normal tongue

 2 The physiological variations of tongue

 2.1 The age

 2.2 The gender

 2.3 The constitutional and congenital factors

 2.4 The climate

Chapter 3 The observation of the tongue proper

 1 The tongue spirit

 1.1 The lustrous tongue

 1.2 The withered tongue

 2 The tongue color

 2.1 The pale-red tongue

 2.2 The pale-white tongue

 2.3 The red tongue

 2.4 The deep-red tongue

 2.5 The bluish-purple tongue

 3 The tongue shape

 3.1 The tough tongue

 3.2 The tender tongue

 3.3 The enlarged tongue

 3.4 The thin tongue

 3.5 The spotted or thorny tongue

 3.6 The cracked tongue

 3.7 The teeth-marked tongue

 3.8 The bleeding of tongue

 3.9 The boils of tongue

 3.10 The pustule of tongue

 3.11 The fungus of tongue

 4 The tongue motility

 4.1 The flaccid tongue

 4.2 The stiff tongue

 4.3 The deviated tongue

 4.4 The protrusion and moving of tongue

 4.5 The shortened tongue

 5 The sublingual veins

 5.1 The normal sublingual veins

 5.2 The abnormal sublingual veins

Chapter 4 The observation of tongue coating

 1 The proper of tongue coating

 1.1 The thin tongue coating

 1.2 The thick tongue coating

 1.3 The moist tongue coating

 1.4 The slippery tongue coating

 1.5 The dry tongue coating

 1.6 The greasy tongue coating

 1.7 The curdy tongue coating

 1.8 The mildew tongue coating

 1.9 The exfoliative tongue coating

 1.10 The full tongue coating

 1.11 The partial tongue coating

 1.12 The true or false tongue coating

 2 The color of tongue coating

 2.1 The white tongue coating

 2.2 The yellow tongue coating

 2.3 The gray-black coating

Chapter 5 The comprehensive analysis of the tongue condition

 1 The overall analysis of the tongue proper and tongue coating

 1.1 The consistent changes between the tongue proper and tongue coating

 1.2 The inconsistent changes between the tongue proper and tongue coating

 2 The dynamic analysis of the tongue condition

 2.1 The tongue condition of externally contracted diseases

 2.2 The tongue condition of internally injured diseases

Chapter 6 The clinical meaning and application of tongue diagnosis

 1 To judge the preponderance of declining of the anti- pathogenic qi and pathogenic factors

 2 To identify the nature of the pathogenic factors

 3 To analyze the depth of the disease location

 4 To conclude the disease progression