Resilient cities are not built to reduce the occurrence of disasters, but to make cities more tolerant, able to maintain normal operation in the face of disasters, reduce the losses caused by disasters, and enhance the happiness index of residents. In order to find out the solution to relieve urban problems, will toughness concept is introduced to study the urban lifeline system, analyzed the earthquake and the damage caused by meteorological disasters of lifeline system, and the toughness of transportation, water supply and power grid communication system research were summarized, and finally summed up the toughness urban development still existing problems and put forward the corresponding solution.