At present, duty crimes in proverty alleviation field are becoming more serious in China. It will not only make poverty alleviation work deviate from its objective to alleviate social contradictions and promote common prosperity, but also shake up the political identity of the masses and affect national security. Moreover, the greater the poverty alleviation work, the more the funding of poverty alleviation projects, the more serious the consequences will be. In order to stop this development momentum, we must strengthen the mechanism construction of integration of punishment and prevention of duty crimes. It should be balanced to establish such a mechanism. It should be conducive to strengthening the management of poverty alleviation department, should help the public to strengthen oversight and effectively reduce the chances of anti-poverty staff to commit crimes, and should be beneficial for judicial authorities to accurately identify such crimes,leaving those who commit the crime ultimately fail to evade the law.