违约责任是当事人违反合同约定所应承担的民事责任。依法成立的合同,对当事人有法律约束力,当事人应当按照合同的约定履行自己的义务。但现行的违约责任无论是在归责原则还是免责事由上都存在不少问题,直接影响到受害者自身利益,应当依法承担责任,认真履行并采取补救措施或赔偿损失等违约责任。 Liability for breach of contract is the breach of contract by the parties should bear the civil liability. The contract established according to law shall be legally binding on the parties concerned and the parties shall perform their obligations as agreed in the contract. However, the existing liability for breach of contract has many problems both in the principle of blame and in the principle of exemption, which directly affects the interests of victims. It should bear the responsibility in accordance with the law, fulfill conscientiously and take remedial measures or compensate for damages and other liabilities for breach of contract.