Legal analysis: If the borrower is unable to repay the debt, he can negotiate with the borrower to repay it in installments, or he can bring a lawsuit to the court during the limitation period. The limitation period for a party to apply to a people's court for protection of civil rights is three years. Where there are other provisions in the law, those provisions shall prevail. The limitation period of action shall be counted from the date when the creditor knows or should know that the right is damaged and the debtor knows it. Where there are other provisions in the law, those provisions shall prevail.

Legal basis: Article 188 of the Civil Law of People's Republic of China (PRC) requests the people's court to protect civil rights, and the limitation of action is three years. Where there are other provisions in the law, those provisions shall prevail.