Abstract: Abstract: With the rapid development of economy, energy security has become one important part of our national economic security. Our country has imported petroleum from many sources, so this paper establishes a set of evaluation index system according to the standpoint of energy security, which carries out quantitative evaluation on China’s 25 sources of petroleum import, points out the feature-the average security degree of China's petroleum import sources is generally low, and those import sources with security level over the edge or of a high level concentrated in Africa, while those with low security level more concentrated in the Middle East and Latin America, and based on these aspects, this paper proposes suggestions to safeguard security of China’s energy imports.