Abstract:The conflict between the nonprofit nature of PPP projects and the profit-driven nature of social capital reduces the enthusiasm of social capital. Using convertible bonds can help to solve this problem. If the project sponsors have no requirement of consolidated statements, they could invite their investment partners to set up a project company wholly owned or controlled by the partners. Then, the project company issues convertible bonds to the sponsor. This kind of innovative application can both transform the control of the project company and the ownership of project assets. It can also benefit from the preferential investment treatments, taxes saving, statements consolidating, consolidated payment of the taxes that the project or the project company has. Consequently, it reduces management risk and financing cost of the project and increases the appeal of both the PPP project and its financing.