The basic principle of quantitative area risk assessment method is introduced and applied in the safety assessment of a dangerous goods container storage yard.The major hazard level of dangerous goods container storage yard is determined.CASST-QRA software is used to simulate the accident consequence of dangerous goods container storage yard.The individual and social risk map of the storage yard is drawn.According to the judgment standard,the risk of container storage yard is acceptable.The results show that quantitative area risk assessment method can provide the basis for safety assessment of dangerous goods container storage yard,and can provide a theoretical basis for comprehensively understanding the risk of port area and the scientific planning of port area.