缔约过失责任系违反先合同义务而产生的责任,其与违约责任不同,主要针对信赖利益而产生的损失。在缔约过失责任中,机会利益的丧失一直是一个有争议的概念,本文从机会利益在信赖利益中的地位以及机会利益丧失的性质出来,进而探讨机会利益丧失的赔偿方式。 Contracting negligence liability is the responsibility arising from breach of contractual obligations, which is different from liability for breach of contract. It mainly focuses on the loss arising from the trust of interests. In the liability of contracting fault, the loss of opportunistic interest has always been a controversial concept. From the nature of chance benefit in trust benefit and the loss of opportunistic interest, this dissertation explores the way of compensation for the loss of opportunity benefit.