中药有效成分是中药治病的重要组成部分。按其作用的部位，将１８１种常用中药有效成分分为七类：神经类、免疫类、心血管类、消化类、泌尿生殖类、呼吸类、血液类等。 The active ingredients of Chinese medicine are an important part of traditional Chinese medicine to treat diseases. According to its role in the site, the 181 commonly used active ingredients of traditional Chinese medicine are divided into seven categories: neurological, immune, cardiovascular, digestive, genitourinary, respiratory, blood and so on.