Such idea, first put forward after my scrutinizing the relevant historical materials, was both testified in front of more and more historical materials and accepted in the research circle on history.

• 史学研究应关注现实，当代中国黑社会问题成为我关于秘密社会史研究的自然延展，相关的研究结论也为政府决策提供了重要参考。