Abstract: To elevate the awareness towards risks for train operation organization of urban rail transit FAO (fully automatic operation) lines, the changes of FAO line in train operation organization process and the key operational post duty caused by equipment and implementation differences are analyzed. By selecting the train operation unit of the operation organization business section, a brief risk analysis is conducted from personnel, facilities and equipment, environment and management factors, and through the statistical analysis of actual operation data of a FAO line in China, it is concluded that the most frequent incidents are the caughtup of passengers and articles. Safety management suggestions are put forward from the perspective of personnel, equipment, environment and management.