Enhancing grassroots emergency governance capacity is a key link to further promote the modernization of the national governance system and governance capacity，and grid-based management，as a grassroots social governance innovation model，has an empowering role in grassroots emergency governance. The efficacy of grid-based management empowering grassroots emergency governance mainly focuses on the aspects of people-oriented peddling，multi-party linkage，fine service，institutional advantages，data submission，etc，and also exposes the reality of dilemmas in the dimensions of subject，mechanism，rules，and technology，etc. In order to crack the multi-dimensional dilemmas，it should be remodeled into four paths：at the subject level，build up a firm pattern of linkage and closed-loop pattern；at the mechanism level，optimize the multi-dimensional guarantee and overall process；at the rule level，cultivate the legal concept and humanistic consciousness；at the technology level，break the technology supremacy and the “information chimney”.