网上银行与客户之间是一种合同关系。那么,当客户进行网上银行交易受到损失时,网上银行应承担什么法律责任,适用何种归责原则,赔偿范围如何,这些都是亟待解决的问题。本文认为对于网上银行法律责任的归责原则的适用,应根据不同情况,按不同的法律原则进行分析。 Internet banking and customer is a contractual relationship. So, when the customer suffered losses in online banking transactions, Internet banking should bear what legal liability, what principle of liability should be applied to the extent of compensation, which are the problems to be solved. This paper argues that the application of the principle of imputation of the legal liability of online banking should be analyzed according to different legal principles according to different situations.