This paper analyzes the operation mechanism of Disease Emergency Assistance system in China, and discusses what problem sexist on its workings. Results: The results of data analysis from 2015 to 2016 and field survey show that the pattern of Disease Emergency Assistance system has formed initially, and system plays the important role in solving the problem that some people are hard to require health emergency services. But, there are still some problems mainly including object identification, assistance in departments, operating rules in fund application and payment and fund using etc. Conclusions: using the network technique to improve the way of identifying object, elaborating laws and constructing information system.