The ocean, the origin of life, the total area of about 360 million square kilometers, accounting for 71% of the Earth's surface area. Ocean Freight has become the world's most important import and export trade mode of transport. Our daily life is also closely linked with the ocean, the ocean food, marine-related products. It can be said that the ocean has become the most important part of people's life around the world. However, the current situation of marine environment is not optimistic, marine pollution has become a very important topic in today's society. The oil spill incident; the oil Leakage incident; or the chemical incident. All of these marine pollution incidents have caused significant and difficult recovery of the marine environment. So, how do we prevent and control the occurrence of these marine pollutions? How to restore and manage contaminated waters? This article we will focus on several major marine pollution incidents in the history of the world to discuss and analyze the pollution of the world's oceans, how to prevent and control marine pollution, and how to treat the polluted oceans.