Carrying out holistic concept of National security need to concern security not only from traditional field,but also from jumped up field.As a jumped-up and strategic field,researching security of Deep sea have great significance.From the viewpoint of security research,several problems which are valuable to be regarded during the course of Deep sea exploitation are considered.It is hoped to support the research of security,and attract more people to concern Deep sea security and promoted the development of Deep sea exploitation and security more harmoniously.