Abstract constantly hit the newspapers recently about the topic of private lending shows the huge impact of the active private lending and private lending to the domestic economy, people's lives. The current status quo how private lending? Whether there is a huge risk? Private lending for SME development and people's lives, what kind of impact? Active private lending to reveal what? The development of private lending and the way out where? These economic phenomena around us, we summarize the research. This paper focuses on the current situation of private lending, causes, risks and difficulties, the development of countermeasures and the Way Out embarked on different aspects of research and analysis. This article is the use of thematic studies standardize research methods. Paper is divided into six parts: the first part of the private lending typical area - Wenzhou's private lending situation as the object of study, in terms of loan size, interest rate, use, and sources described the status of civil borrowing from the side; analysis of the causes of the active private lending; third part of the analysis of the risks and difficulties of the private lending; Part IV and Part V, the private lending negative impact of a positive effect on economic development; Part VI, systems analysis The way out of the development of private lending and Regulation. In this paper innovation is a highly comprehensive analysis of government policies, laws and regulations and the phenomenon of private lending