在我国,对债权让与制度的真正研究是在《合同法》颁布实施后才开始的,与此相关的很多问题都有待深入探讨,其中之一,即是在原始合同存在禁止让与约定的情况下,如果债权人仍然转让合同权利,则其效力如何?根据合同自由原则,当事人可以在不违反法律的强行性规定、社会秩序和公共道德的前提下,自由约定合同的内容。因而,当事人在合同中可以特别地约定禁止债权人让与债权的内容。一般来说这 In our country, the real research on the system of creditor’s rights assignment started after the promulgation and implementation of “Contract Law”. Many issues related to this have yet to be explored in depth. One of them is that the original contract prohibits the agreement Under the circumstances, if the creditor still transfers the rights of the contract, how effective is it? According to the principle of freedom of contract, the parties can freely agree on the contents of the contract without violating the mandatory provisions of the law, social order and public morality. Thus, the parties in the contract can be specifically agreed to prohibit the assignment of creditors creditors content. In general this