In this paper，we analyzed the One Foundation ＇s relief and reconstruction activities after the Ya'an earthquake． The analysis shows that NGOs has completed the developing process in disaster relief participation． In the Jiujiang earthquake，NGOs began to take part in the relief work． In the Wenchuan earthquake，they became one of the most active participants． In the Ya'an earthquake，they worked better via cooperation mechanism． That means NGOs have already had the capability of resource mobilization． The cooperation with them will improve the disaster management capacities，especially in the National Significant Seismic Monitoring and Protection Regions．