Besides the external causes such as family,society,historical progress,an important cause that the "underworld forces" have been growing stronger is that they have the common twisted humanity such as bullying the weak,greed,and peacockery.

At first,the thesis states the concept of vicious power of country,then makes analysis of similar concepts.

The formation of rural vicious power has not only objective factors,such as society changing,economy transforming,but also subjective reasons,for instance,not telling even knowing the truth,striking inefficiently.

To research the situation, causes and countermeasures of evil forces in Shanghai suburbs has the important significance in preventing the emergence of gangsterdom organizations.