This article reveals the grey correlation degree of the criminal rate with main economic indicators by using the method of gray relation analysis and obtains the correlation degree. The result indicates that the grey correlation degree for criminal rate in order from big to small is urbanization rate, urbanrural residents’ income gap, urban Gini coefficient, rural Gini coefficient and unemployment rate. Finally, this paper points out that the effective measures for prevention of crime are to strengthen social integration and administration, to gradually narrow urbanrural residents’ income gap, to improve interior income distribution in urban and rural areas and to effectively enlarge employment.