The tongue can see heart strength 
 
  
Heart inflammation on the tip of the tongue is red, mind disturbed tongue hard recently 
 
 
Associate professor, basic medical college of Beijing university of Chinese medicine Zhao Yan 
 
  
Source: life times 

    Can distinguishing mixed tongue, it is the pronunciation of the vital organs, its heart function and there is a close relationship. TCM holds that "the tongue for the seed of the heart", namely the tongue external performance, is the heart of the heart of the actual situation and the pathological changes, often can be reflected from the tongue.
 
    TCM diagnosis often see tongue, because no skin cover, tongue, and is exceptionally rich in blood vessels and can be seen from the tongue nature colour and lustre is the operation of qi and blood and the physiological function of the heart. Heart function is normal, the tongue body, soft and sensitive, verbal fluency; Heart of the sun be the spirit is insufficient, the tongue is thin Bai Pan tender; Heart Yin blood deficiency, tongue red crimson ShouBie; Heart inflammation, is the tip of the tongue is red, or even erosion; Blood stasis resistance, the tongue or dark purple bruises; Mind disorder, the tongue body hard, language barriers, etc.
 
    In addition, TCM believes that the tongue surface is divided into four regions, and corresponding to the five zang-and: the tip of the tongue belongs to heart, lung, tongue subordinates in the spleen, stomach, this belongs to the kidney, on both sides of the tongue of liver, bravery, so the lingual specific parts of the lesions, also can consider the cause on the other zang-fu organs. To sum up, the tongue is the mirror of the intestines and status. The ancient book named Jin Jinglu, tongue diagnosis will guide the tongue ", the words embody the true meaning.
 
    Because, from the brain are connected to the tongue, tongue so often activities beneficial to the body, can do the following tongue fuck: 1. The cleaned up and in the mirror every morning, tongue and indentation, do 10 times each, and then the tongue in the mouth outward swinging around each 5 times; 2. Sitting in a chair, my fingers open, on his knees, upper body slightly forward. First of all, from the nose to, and then greatly open mouth, tongue and exhale, at the same time, the zheng big eyes, smooth inspect ahead, 3 ~ 5 times; 3. Open your mouth, tongue slowly stretched out, and stay for 2 ~ 3 seconds, repeated five times; 4. And then back on the head, chin to stretch, mouth is greatly open, stick out your tongue, stay for 2 ~ 3 seconds, repeated 5 times. This method can strengthen the viscera function, strengthen physical health, delay aging.
 
 
 
The original link: http://paper.people.com.cn/smsb/html/2014-11/11/content_1497072.htm