In general, the maritime transport is commonly used in international trades, which is cheap and can carry commodities in a large amount, but it also has a larger danger than other ways of transport. Thus, buying marine insurances is often a way for delivery people and transport people to achieve risk diversification. After joining in WTO, the amount of China’s marine trade has been increasing gradually. As a result, the number of people who buy marine insurance are increasing, as well as the risks of Chinese insurance company. The right of subrogation in marine insurance is in real goods total loss, the insured insurance after the payment, in the scope of their insurance payment, The insurer obtains the right of the insured. Hence, more and more insurers exercise their subrogation right to lessen their indemnity. Marine Insurance Act of Britain was made in 1906. However, it is not only used in marine field, but also has influence on other areas of insurance laws. Due to that, insurance market of London became the leader of world insurance market. The present subrogation right in marine insurance originated from Britain. In marine insurance field, after paying the underwriter thereupon can get the implied subrogation according to the section 79 in Marine Insurance Act, 1906 (MIA). It has being perfected on the basis of marine insurance cases. Now, British system of subrogation right is relatively perfect, so exercising subrogation right is becoming popular when British insurers fulfill their duties. China Maritime Code was put into effect in 1993. However, many shortcomings of it shows up because of the time of using and the development and popularization of practice of insurance. Subrogation right of China was made on the basis of that of Britain, so it is necessary to study British cases about subrogation right. China should learn from Britain on its experience of making and practicing laws, and set up a perfect law system for subrogation right on the basis of the realities of China and the developing trend of the system. In addition, on the aspect of practicing, Chinese insurers should understand the differences of subrogation right in different countries. Thus, when file a lawsuit or an arbitration, subrogation right can be used in an effective way and our rights and interests can be fully guaranteed.