As an important index of investing programs,international debt paying term is always attached importance by accommodator and investor.

The Effectiveness of Loan Contract between the Domestic Enterprises;

A consortium of four nations, the United States, England, France and Germany, was formed to participate in the Hubei Guangdong Railway loans and afterwards the signing of the Currency Reform Loan Contract.

Aiming at the calculation method of debts fund cost is not accurate enough in"Economic Assessment Method and Parameters for Construction Project(Third Version)",this paper proposes a universal calculation ex- pression and attention about it in using,then discusses fund cost calculation of long-term loan and simplified cal- culation method.

The long-term loan costing of key is fix on capital pre-ratepaying cost.

The basic conclusion is that in large firms it is the internal financing, while in small firms it is the long-term loan that has the strongest influence on investment.

If borrowers aren t forced and they can control the borrowing cost (when they got their credit), they will repay their credit.

When the third party serves to pledge for the borrower,the law in China bestows relevant rights on him for the interests of himself.

Discussion on calculation method of loan capitalization;