Colors of tongue body Pale:deficiency of Qi and blood,cold syndrome ·Red:heat syndrome Deep-red(crimson):extreme internal heat Purple:heat or cold caused blood stagnation Blue:cold stagnation,blood stagnation Colors of tongue body • Pale: deficiency of Qi and blood, cold syndrome • Red: heat syndrome • Deep-red(crimson): extreme internal heat • Purple: heat or cold caused blood stagnation • Blue: cold stagnation, blood stagnation