【目的/意义】优质信息传播是社交应用持续健康发展的助推力,而适应性信息分享是提高社交信息质量的有效途径。【方法/过程】以微信平台为研究对象,基于社会影响的“推-拉”视角构建微信用户适应性信息分享行为影响因素概念模型,并通过问卷调研和结构方程建模方法进行实证分析。【结果/结论】结果表明:规范性压力、社会连接和形象都显著正向影响微信用户的适应性信息分享行为,且规范性压力的影响均大于社会连接和形象的影响。此外,规范性压力对社会连接和形象都产生显著的正向影响。 [Purpose / Significance] Quality information dissemination is a boost to the sustained and healthy development of social applications, and adaptive information sharing is an effective way to improve the quality of social information. 【Method / Process】 Wechat platform is the research object. Based on the social influence, this paper constructs a conceptual model of Weixin user adaptive information sharing behavior influencing factors, and conducts empirical analysis through questionnaire and structural equation modeling . [Results / Conclusion] The results show that: normative pressure, social connection and image all positively influence the WeChat users adaptive information sharing behavior, and the impact of normative pressure is greater than that of social connection and image. In addition, normative pressure has a significant positive impact on social connections and image.