The United Kingdom of Great Britain and Northern Ireland (UK) is one of the countries who have the longest history and the most developed technology in shipping . The special location of England as well as the tradition in seaborne trade made her economy policy plays an important part in the sea lane security . This paper investigates the leading role of economy policy plays in the sea lane security policies and the reasons hiding behind . After that we come up with some advices for the Chinese “heading to the dark blue ”strategy .