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Journal of Chinese Integrative Medicine ›› 2003, Vol. 1 ›› Issue (2): 135-137.doi: 10.3736/jcim20030215

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Study on the application of bio-heat transfer science to the quantitative analysis of tongue inspection

Fan Wei1, Kai Zhu1, Jian He1, Yan Li1, Bo-li Zhang2, Xiu-mei Gao2, Yi Wang2   

  1. 1. Department of Thermal Energy Engineering, Tianjin University, Tianjin 300072, China
    2. Institute of Traditional Chinese Medical Engineering,Tianjin College of Traditional Chinese Medicine, Tianjin 300193, China
  • Online:2003-06-20 Published:2018-10-19


To research the mechanism of the tongue inspection in traditional Chinese medicine and to study the special relationship between temperature distribution of the tongue and the tongue color.


The temperature field of human and pig's tongue was measured by infrared thermal vision system and thermal-couple probe. The blood perfusion rates in the human tongue and the pig's tongue were obtained with laser Doppler rheometer and CBI-8000 physiology research system. The temperature field of the profile of tongue was computed by numerical method.


The quantitative curve of the temperature distribution on the surface of tongue and the relationship between temperature and blood perfusion rate were obtained. And the temperature in the profile of tongue was obtained by finite element method.


The research involves that the different tongue color can reflect different tongue temperature and blood perfusion rate.This proved that it is acceptable to apply the bio-heat transfer theory to the tongue inspection research. The results provided a new method to research the tongue inspection in traditional Chinese medicine.

Key words: blood perfusion rate, temperature of tongue, bio-heat transfer, tongue inspection

CLC Number: 

  • R241.25
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