2020年版《中国药典》（一部）“药材和饮片”的药性、功效和应用特点分析

OBJECTIVE Medicinal herbs and decoction pieces in the 2020 edition of Chinese Pharmacopoeia (Part 1) includes a total of 616 items of traditional Chinese medicine. This study is aimed to grasp the overview of all traditional Chinese medicine and discover special ones. METHODSThis study conducted statistical analysis of their basic information such as the properties, dosage and usage. RESULTSThe Chinese Pharmacopoeia has 9 descriptions of the four properties, with the highest number of warm medicines. For the five tastes, the number of bitter medicines is the highest. For meridian tropism, the liver-channel medicines are the majority. Huanglian with 6 meridians is the Chinese medicine with the most meridian tropism. For toxicity, a total of 83 traditional Chinese medicines has clear toxicity descriptions, divided into three levels: with high toxicity , toxic , and with low toxicity . For efficacy, the heat clearing effect is the majority. Hongqi and Huangqi are the medicines with the most efficacy. For application, the frequency of swelling and pain is the highest. Huanglian is the medicine with the most applications. For the usage, 369 medicines are all taken orally by decoction, while others used externally, taken in pill or powder, swallowed in powder or after mixing with water. For the dosage, the average is 6-13g. The minimum value is 0.015g of Chansu and the maximum one is 120g of Maozhaocao. For attention and storage, 97 medicines have pregnancy contraindications; Almost all medicines need to be stored in a dry place. CONCLUSIONThere are some issues in the 2020 edition of Chinese Pharmacopoeia (Part 1), such as a few items with indistinct properties of TCM, writing standardization that need improvement, and some unclear information. It is hoped to enlighten the revision of next Chinese Pharmacopoeia.