介绍和研究了自然指数的方法和指标,分析了自然指数的特点,统计了全球及中国高等学校自然指数的历年数据；通过自然指数指标的创新性结合,进一步分析了机构的合作情况；以北京大学为对象展开了详细的研究,统计分析了自然指数通讯作者文章的院系和作者分布。

Nature Index is introduced and analyzed. Historical data of global and Chinese colleges and universities are also calculated. By combining several index, the cooperation of the institutions are analyzed. In addition, taking Peking University as research sample, the distribution statistics of Nature Index corresponding papers and authors of departments is analyzed.

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