：文章以科学网核心用户为分析对象，采用数理统计与内容分析方法，从群体特征、创作方式、博文内容三个方面对学术博客核心用户的内容创作行为特征进行了研究。研究结果表明：学术博客核心用户群体具有高学历、高职称、学科背景丰富的基本特征，在创作上呈现出博主通常利用工作时间并喜欢使用个人分类的特点，同时具有博文内容主题多、阅读对象广、文中外部链接种类丰富等特色。

The main purpose of this paper is to explore the group characteristics, blog content and creation form of the academic blog power users, so as to deepen the understanding of scientific communication law in the network environment, and to provide reference for perfecting the network academic communication platforms. We choice104 power users of sciencenet.cn(a Chinese academic blog) as our samples. Then mathematical statistics method is chosen to analyze the group identities and writing habits of the groups. Content Analysis is used to analyze the content features of their blogs. The power users of academic blog are academic leaders. Power users always create blog during work time and most of them have their individual blog category labels. The power users' blogs cover variable subjects and abundant network resources. They write not only for researchers but also for common people.