This article analyses how both marriage squeeze and expenditure have impact on rape crime and uses 1990-2012 time-series data to empirically test the consequence. We find: (1) Marriage squeeze, expenditure on peoples livelihood and rape crime have cointegration relation. When marriage squeeze rises 1%, and rape crime will rise 0.004%; when expenditure on peoples livelihood rises 1%, and rape crime will drop 2.43%. (2) Impulse response function and variance decomposition reveal that in the long term marriage squeeze has a limited impact on rape crime, but expenditure on peoples livelihood has a bigger and longer impact on rape crime than marriage squeeze does. These evidences provide policy enlightenments: on the one hand, the government needs some comprehensive policy tools to control the unbalanced birth proportion on genders. On the other hand, it is more effective for the government to pay more attention to peoples livelihood area by changing financial structure than changing gender proportion. The government should in time adjust financial expenditure structure and continue to enlarge the proportion of peoples livelihood to total financial expenditure.