申根协定取消缔约国之间的边境检查,以实现人员的自由流动,有力推动了欧洲一体化。与此同时,申根协定也带来了相关的问题——统一犯罪市场形成,罪犯迁移性增强,查处控制犯罪难度加大。对此,缔约国之间建立了相应的警务合作机制以解决各国安全形势恶化的现状。 Schengen agreement to cancel border checks between the parties, in order to achieve the free movement of people, effectively promoted the European integration. At the same time, the Schengen Agreement has also brought related issues - the formation of a unified crime market, increased mobility of criminals, criminal investigation and control more difficult. In response, corresponding police cooperation mechanisms have been established among the contracting parties to address the worsening security situation in various countries.