This paper focuses on the evaluation of the development level of green transportation in Kunming. Through the establishment of the TOPSIS model, after the data collection, the green development level of Kunming City was evaluated, and the development level of green transportation in Kunming was continuously improved. At the same time, it also found problems in the development of green transportation in Kunming, and gave some suggestions and countermeasures, hoping to provide some help for the development of green transportation in Kunming.