[4] In 2014, Chengdu disclosed the concept of building a modern tram system in the first and second round of rail transit planning.

Route 2 line approval,[5] the same month, the Chengdu Municipal government announced the "urban rail transit network construction to speed up the implementation of the program."

[6] On 25 September of the same year, the first section of the line achieved long-track rail connection, and it was announced that it would open in the first half of 2018.

The painting of the tram is based on the theme of spring, summer, autumn and winter, and nine nationally protected animals are interspersed in the form of illustrations, and corresponding science content is set in the car, calling on citizens to pay attention to and participate in the protection of endangered wild animals.

The platform of Chengdu Tram Line 2 is open, and passengers must purchase tickets or swipe cards on the train.

For the sake of cost saving and easy maintenance, the subsequent stations did not install half-height screen doors, and replaced the tempered glass railings with wire mesh materials.