The expansion project of Luoluo River in Jiading is completed in several stages.

Five stages, namely: the first stage: the first stage of remediation. The first phase of the project covers an area of 1.34 hectares, including river dredging, revetment restoration and water ecological restoration.

1, Phase II: Phase II renovation. The second phase of the project covers an area of 6.77 hectares, mainly for river widening, bank protection reinforcement and water ecological restoration.

2. Stage III: Stage III regulation, mainly including river regulation, water ecological restoration and landscape improvement.

3. The fourth stage: four-stage transformation. It is mainly used for river regulation, water ecological restoration and landscape improvement.

4. The fifth stage: five-stage rectification. Mainly for river regulation, water ecological restoration, landscape improvement and other work, but also for the construction and management of supporting facilities.