Abstract: According to the nineteen proposed the new requirements of "firmly grasp the ideological work of leadership", to the "cohesion and leading force" as the standard, based on the relationship between public opinion dissemination and evolution of the credibility construction, compared it to analyze the problems and the countermeasures, has become the current public opinion enhance crisis management ability and strengthen the major reality the issue of credibility construction. By applying the long tail effect to the construction of theoretical analysis framework and the guidance of management practice, we can find that there are a series of problems in the process of public opinion crisis management. Countermeasures of public opinion crisis management ability and enhance the long tail credibility construction based on the concept of public opinion mainly lies in promoting innovation in multi-dimensional analysis, based on responsibility and service consciousness transformation response, as well as around information publishing and media literacy to promote effective communication between the government, the media and the public.