Abstract: 【Purpose/significance】The effective guidance of online public opinion is not only related to the success of on-site emergen?
cy response but also related to social stability and harmony when the emergency happens.The evaluation of the effect of network publicopinion guidance for emergencies is of great significance to promote the improvement of government emergency management capabili-ties and promote the positive development of emergencies network public opinion【. Method/process】Based on the characteristics of se-rious emergencies and the focus of guidance,construct an indicator system for the guidance effect of network public opinion on emer-gencies.introduce expert confidence levels and Pythagorean fuzzy information into the evaluation process,and build guidance effects Evaluation model【. Result/conclusion】The analysis and empirical calculations of the three incidents of the Yangtze River Shipwreck.Tianjin Binhai Explosion and Jiangsu Xiangshui Explosion have verified the effectiveness and practicability of the model【. Innovation/limitation】As evaluators have different understanding about the emergencies andt network public opinion changes.,they will be hesi-tated and uncertain in the evaluation.The group evaluation model constructed in this paper takes the above characteristics into consid-eration and has certain practical value.Limited to the availability of indicator data.the evaluation indicators involved in this article may not be comprehensive enough and have a certain impact on the evaluation.