It is of great significance to research the issues of P2 P lending company's lifespan under the backgrounds of frequently running away. This paper focuses on the online time and running time's effect to lifespan with 633 P2 P lending enterprises which have been bankrupt between the January of 2014 and April of 2016. Results show that the bankrupt P2 P firms are with a short lifespan, but it shows increasing trend. Online time has negative effect on lifespan of P2 P net loan company, earlier firms usually li...