Abstract: Aiming at knowledge representation problem of intelligent diagnostic system for skin microscopic images, semantic network knowledge representation is discussed.A skin symptom fuzzy inferential system based on semantic network is proposed by introducing the fuzzy inference to recognition and classification of skin microscopic images.A kind of skin symptom semantic network and the fuzzy inference recognition arithmetic are discussed.Experimental results show that the system is suited to identification of different skin symptoms with a high correct rates.

Key words: semantic network, skin symptom, automatic recognition, fuzzy inference