Application of Feature Expression Method in Dietetic Therapy of Traditional Chinese Medicine

With the full use of dialectical theory and making the best of the treatment of Chinese herbs for meals,dietetic therapy of traditional Chinese medicine is devoted to harmonize the Yin,Yang,Qi,Xue within the human body.It can achieve the purpose of improving human body's health effectively.In this paper,it was proposed that an improved information gain method based on information gain method and TF-IDF method to express symptoms and mine the relationship between symptoms and category of Chinese herbs for meals.Then it got the most likely category of Chinese herbs for meals according to the matching of symptom sets.In this way,it could simulate the diagnosis of dietetic therapy of traditional Chinese medicine.The results show that the improved information gain method is more effective than information gain method and TF-IDF method on the expression of symptoms and improves the accuracy of classification.