Despite the continuous impact of the epidemic，the development of transportation in the Yangtze River Delta will still be relatively slow in 2021. However，as the first year of the “Fourteenth Five Year Plan” period，and the year of higher quality integrated development of transportation in the Yangtze River Delta，in 2021，the Yangtze River Delta has made breakthrough in the construction of major transportation projects，port integration and airport integration. This paper starts with the general situation and structure of transportation，and first analyzes the basic characteristics and development trend of the transportation industry in the Yangtze River Delta in 2021. Secondly，using the latest statistical data，the paper analyzes the structural characteristics and development trend of the Yangtze River Delta port group and the Yangtze River Delta airport group respectively.