In order to satisfy creditor claims obtained, it tends to increase the number of guarantee, which guarantees both the substance and also guarantee human. Guarantee the existence of multiple circumstances (substance guarantee and human guarantee) is referred to as mixed together on the same credit guarantees. In the case of mixing guarantee, in the main session of the debtor does not repay the debt, the creditor realize how their claims should be treated with substance and human insurance relationship? After the creditors' claims are satisfied, the assumed liability guarantee was surety or guarantor is entitled to claims from other guarantor? On these issues, practitioners and theorists were more controversial.
On the coexistence guarantee of mortgager and guarantor, how to balance the interests between the guarantor is the goal of the 176th pursuit of property law, and this law has changed the state of confusion between the previous mortgager and the guarantor. It can be concluded that in the guarantee of the coexistence of mortgager and the guarantor, their position is equal, because the relationship between the security responsibility of the object and the person's guarantee responsibility is the problem of the autonomy of private law, so it will not be related to the public welfare. It can be said that the guarantee of the same rights for the guarantee and the guarantee of the scope of the guarantee is the scope of the party's autonomy, the parties can freely agree. If there is no agreement or the agreement between the parties is not clear, the need to achieve security in accordance with the law.
According to the existing law, there should be no recovery was on the relationship between the mortgager and the guarantor. Although multiple viewpoints demonstrate the relationship between the guarantor shall recover from all angles, but in no case law expressly provides can’t rush to recognize the existence of recourse between them. In addition, the session of unliquidated obligations of the debtor and the creditor to realize his security right result guarantor for debtor debts, so if the interests of a better balance between the guarantor, the need to provide subrogation system, so for related unliquidated obligations of the guarantor of the debtor repayment of subrogation.