在影响百姓安全感的诸因素中,刑事犯罪依然高居首位。随着市场经济体制的逐步建立,刑事侦查体制进行了一定的改革。然而,现行的刑事侦查体制依然不能有效的对付犯罪。本文比较研究了国内外刑侦体制并就深化我国刑侦体制改革进行了思考和研究。 Among the factors that affect the sense of security of the people, criminal offenses are still tops. With the gradual establishment of the market economy system, the criminal investigation system has undergone some reforms. However, the current criminal investigation system still can not effectively deal with crimes. This article comparatively studies the system of criminal investigation both at home and abroad and makes some researches and studies on deepening the reform of criminal investigation system in our country.