详细介绍一种生物主题爬虫的设计及实现方案,通过优化初始种子模块、主题相关度分析模块、排序模块等四个模块的共同运行实现对网页信息的处理。用高效的主题爬虫取代传统搜索引擎中的普通爬虫,为实现更准确的信息采集提供良好基础。 This paper introduces in detail the design and implementation of a kind of biological theme crawler, and realizes the processing of the web page information by optimizing the operation of four modules: the initial seed module, the theme correlation analysis module and the sorting module. Replacing common crawlers in traditional search engines with efficient theme crawlers provides a good foundation for more accurate information collection.