In this paper, according to the clinical experience of professor Cai Fuyang, a famous ENT physician of Henan University of Traditional Chinese Medicine, it is summarized that viscera dysfunction, deficient or failure, primordial yang deficiency, deficiency in warming and nourishing orifices and endogenous cold may lead to dysfunction in orifices and these are the common causes of ENT diseases. As ENT diseases are non-exclusive fiery, “yang dysfunction due to yin exuberance” and “coldness caused by yang deficiency” are summarized by the analysis of four cases, namely treating chronic purulent ear by warming kidney and invigorating spleen, treating allergic rhinitis by warming lung spleen and kidney, treating chronic aphtha by warming the middle energizer, and treating tinnitus by warming spleen and kidney. The summary of experience of Prof. Cai Fuyang is worthy of reference and guidance.