In recent years, city public crisis events have occurred frequently in our country and traditional decision-making paradigm is difficult to satisfy the governance request of public crisis with high complexity and uncertainty. With the coming of 5G era, information technology such as cloud computing, big data, artificial intelligence, internet of things accelerate the integration, and a decision-making paradigm of "data-wisdom" is emerging which is integrated data-driven with model-driven, and the emergency situation, decision subject, ways and means, emergency process, decision goal have been undergoing profound changes accordingly. Meanwhile, based on the "data-wisdom" decision model which has the function of automatic and human-computer collaborative decision, it is possible to create crisis decision operation mechanism, and to promote city public crisis governance to become intelligent, rapid, and precise.