Along with the Chinese economy's fast development, the seaborne commerce channel becomes the Chinese foreign trade the lifeline, China is increasing largely year by year by way of the South China Sea - Straits of Malucca - Indian Ocean route's This article through to the route physical geography condition and the economical trade present situation's analysis, understood route important position which and display important function occupies in the Chinese foreign Route's security and stable direct relation China foreign economical trade overall security, also then affects the Chinese economic security and the social stability, but the Straits of Malucca is the entire route's pharynx and larynx and the weak link, regarding this, must strengthen our country and takes the corresponding measures to the South China Sea - Malacca - Indian Ocean route security strategy research, guaranteed that our country