The level of urban infrastructure management has a very important impact on the living standard of urban residents. The evaluation of urban infrastructure management in 2018 is the continuation of the evaluation of urban infrastructure management in 2017. Based on the evaluation results of urban infrastructure management from 2015 to 2018，this report makes a comparative analysis on the infrastructure management level of 36 key cities in China. The results show that the average score of urban infrastructure management level is increasing year by year from 2015 to 2018，and the overall trend is on the rise；From 2015 to 2018，the change of urban infrastructure management level ranking is generally stable，the degree of dispersion is not particularly large and the level of infrastructure management in some cities has been steadily improved. From 2015 to 2018，Shenzhen ranked first in urban infrastructure management for four consecutive years，and the ranking of urban infrastructure management in Hohhot，Changsha and other cities has been rising for four consecutive years.