Abstract: In order to provide quantitative basis for the selection of emergency resource mobilization cooperation mode, a three-dimensional structural model "intervention-intensity-method" was established for local government cooperation in emergency resource mobilization. Based on 4 typical cooperation modes, the means of cooperation mode selection was transformed into a multi-index group decision problem with linguistic evaluation information. Applying information processing group decision method based on binary semantic grey relational projection, a selection model was constructed for cooperation mode. According to the basic idea of the traditional projection analysis method, the relative closeness of the alternative to the positive ideal scheme was obtained by calculating the projection value of the alternative scheme to the positive ideal scheme and the negative ideal scheme, and finally the optimal scheme was determined. On the basis of theoretical research, an empirical analysis of the emergency resource mobilization cooperation model was carried out in the Beijing-Tianjin-Hebei region. The results show that the emergency resource mobilization cooperation in the Beijing-Tianjin-Hebei region is more suitable for a strong administrative cooperation model with higher-level government intervention. Calculation results based on expert evaluation data show that this method can better reflect the matching degree between the cooperation mode and the objective situation, and play a better role in mode selection.