It was characteristic and favorable in research and development of new drug that natural active macromolecules and small molecules were discovered from Chinese medicine and learning about their structural information was encountered firstly.

• 从中草药中发现具有生物活性的天然有机大、小分子，是我国新药研究的特色和优势，而准确地获取活性物质的结构信息是这一过程中面临的首要问题。