Abstract: As a very important part of the current urbanization process, in order to prolong the service life of urban complex to a certain extent, the safety protection of urban complex must be done well, so as to promote the sustainable development of social economy. In the process of safe operation of urban complex, we should pay more attention to fi re protection and deepen the application of building fi xed fi re protection facilities in fi re rescue of urban complex. Based on this, this paper discusses the characteristics of urban complex fi re, this paper analyzes the problems of building fi xed fi re-fi ghting facilities in the fi re-fi ghting of urban complex, this paper puts forward the innovative strategy of building fi xed fi re-fi ghting facilities in fi re-fi ghting and rescue of urban complex.