With single and fragile economic structure，Pacific island countries depend heavily on external forces for development，lack capability of self-development and have great disparities internally. With the accumulation of investment，the development of major projects and the improvement of infrastructure，the development potential of Pacific island countries has gradually been released and the overall economic performance is turning better. However，bound by their own features，their shortcomings and risks are still remarkable. Therefore，it is necessary to take precise measures，make overall plans and formulate systematic and comprehensive solutions.