This Article discusses first the need of social alarming to instable factors for a society, and the importance of the social alarming system to make public policies and administrative decisions.

The paper reviewed the research of risk alarming in sociology and crisis management in administration,discussed the possibility and approaches how to integrate the different research in two disciplines,including concepts,theories,methods,issues and researchers,so as to find a new way to study the mechanism of social alarming and the system of emergency management.

At present there are more than 10 kinds of social alarming index systems,important measures for social alarming.

Development of tsunami warning system and disaster reduction requirements in China;

Design of risk warning systems for power supply companies;

Analysis of typical failure foundation pits and their warning system;

Design of an early warning system of water security for Liaohe River based on GIS;

Study on the early warning system based on visual basic platform of sustainable environment in Shijiazhuang City;

Study on the early warning system of mineral resources developing;

Coal safety early-warning system base on self-organization neural networks;

Application of numerical modeling of groundwater flow to the construction of early-warning system of karst collapse:Exemplified by the karst collapse in the Linyi urban area;

The meteorologic early-warning system of geological hazards in Guizhou Province;