Research methods: By positively analyzing PPP project financing by abstracting and summing up，and taking a analogy about PPP project financing succeeded in domestic giant infrastructure fields(including railway projects)，the paper researches an application on PPP project financing in the harmonious development of railway.
Research results: On the basis of resolving two cruxes，the paradigm of PPP financing will theoretically finance 600-800 billion RMB equity capital for the harmonious development of the railway.
Research conclusions: PPP project financing can efficiently resolve the equity capital problem of being unbalanced. There are necessity and condition to practise and spread it.
2007, Vol. 24 
