基于道德判断双加工模型，本文研究不同的信息线索如何激发人们的道德判断而对其网络集体行为产生影响，为疏导网络舆论、构建网络生态环境以及规范网络集体行为健康发展提供决策依据。通过文本挖掘获取研究数据，对网评上海女童失踪632条不同类型的帖子及其评论进行量化统计分析，探索并剖析道德判断对网络民众在线信息行为的影响路径。信息的情绪线索会影响网民的非理性行为，其逻辑线索会影响网民的理性行为；道德判断是信息线索影响网络民众信息行为的重要桥梁。

Based on the dual-processing model of moral judgment, this paper investigates how different information cues stimulate people's moral judgment and have an impact on their online collective behaviors, so as to provide decision-making basis for the channeling of online public opinion, the construction of an online ecological environment, and the regulation of the healthy development of online collective behaviors. The research data were obtained through big data text mining, and 632 posts of different types and their comments were statistically analyzed to explore and analyze the paths of the influence of moral judgments on the online information behavior of online people.The emotional cues of information affect the irrational behavior of Internet people, and its logical cues affect the rational behavior of Internet people; moral judgment has a mediating effect in the process of information cues affecting online collective behavior.