On the basis of introducing the concept,type and characteristic of accidental pollution,this article analyzes the main problems in the emergency legislation of accidental pollution,and summarizes the main characteristics and development trends of foreign relevant legislations,then puts forward some effective measures to improve emergency legislation of accidental pollution in China.

eviews of the current progress of risk management on accidental pollution were presented,after introducing its concepts,categories and natures.

The research on how to strengthen the management of sudden environmental pollution accident emergency monitoring;

With the construction and development of Shanghai International Chemical Industry City, how to make response to sudden environmental pollution accident and actively control it on local economy、social and the environment influence has displayed the agenda day by day.

With the continuous improvement of the degree of industrialization and transformation of the natural ability to continually enhance,in recent years,China\'s major sudden environmental pollution accident,to the environment,people\'s life,health and property caused serious damage.

However, no systematic environmental hazard sources database has been established in China to present, so no tool and information base is available in environmental hazard sources management and environmental emergency response.

The paper introduces the current situation of hydrology in response to unexpected water pollution,and concerning the problems,put forward some ideas and suggestions on the capacity construction of hydrological monitoring to better serve the economic and social construction.