Abstract: The proper usage of investigation and verification right has an impact on the exertion of procuratorial function in public interest litigation. In practice， such singlemode applicable mean， absence of mandatory measures and inadequate assorted mechanism failure to bear the burden of proof in public interest litigation regarding the procuratorial offices. Extensive textual analyses on local laws or government regulations across 26 different provinces， and positive experience about procuratorial investigation in public interest litigation is concluded at multiple dimensions from applicable regulation manner and mandatory refinement measure to the improvement of supporting mechanism in investigation and verification， portraying the inevitable routine to operating safeguard of investigation and verification right.

Key words: procuratorial public interest litigation, right of investigation and verification, legal supervision;investigation and evidence collection, the procuratorial suggestion

摘要： 调查核实权运用得当与否，直接影响公益诉讼检察职能的发挥。实践中，检查公益诉讼的调查核实权存在适用方式单一、强制性措施缺位、配套机制不足等问题，造成检察机关难以承担公益诉讼所要求的举证责任。分析26个省级地方性法规或政府规章文本，总结检察公益诉讼调查核实的成功经验，从规范调查核实方式的适用程序、健全调查核实的强制性措施、完善调查核实的配套机制等维度形塑调查核实权运行保障的应然路径。

关键词: 检察公益诉讼, 调查核实权, 法律监督, 调查取证, 检察建议