建立城市公安便衣行动队的重要性和必要性是现代城市安全建设发展的需要根据国外许多大城市发展的历史和规律,在经济发展的初期,一般是刑事犯罪的高发期; 经济发展到中期,刑事犯罪到可控时期;经济发展到比较高的水平上,刑事犯罪就可能减少。这些规律特点在国内已经得到初步印证。目前我国各地城市的现代 The Importance and Necessity of Establishing an Urban Plain-Pack Police Action Team is the Necessity for the Development and Construction of Modern Urban Security According to the history and laws of the development of many large cities in foreign countries, in the initial stage of economic development, criminal activities are generally the high incidence of criminal activities. In the mid- Criminals to controllable period; economic development to a relatively high level, criminal criminality may be reduced. These regularities have already been confirmed in China. At present, cities in all parts of China are modern