Guangzhou’s Social Insurance System has achieved significant development since the 1980s. The framework of the system has been setted up and gradually improved through expanding coverage and enhanced remuneration. It has played a positive role in securing people’s basic life，promoting the country’s economy and constructing a harmonious socialist society. This essay analyzes the developing history of Guangzhou’s Social Insurance System，summarizes the achievements in it，discusses existing problems and looks into the future.