The construction method for the contaminated site restoration project developed by the company means that after the construction party wins the bid, it prepares a construction organization design document based on the restoration technical plan, restoration plan and bidding documents reviewed by experts, and determines the restoration and treatment technology mainly adopted in the remediation project of contaminated soil in the region, and the restoration and treatment technology used in the remediation project of contaminated groundwater, and carries out in-depth design. The overall construction deployment and construction sequence are the key to coordinating the entire project to achieve various goals as scheduled. For engineering projects with a large amount of repair work, a large amount of labor, construction machinery, materials and materials will be invested during the construction process. Therefore, scientific and reasonable arrangement of construction sequences and effective allocation of various resources and production factors are the core contents of construction deployment. Before carrying out formal restoration construction, preliminary preparations for the project need to be completed, namely surveying and mapping positioning, underground building survey, and infrastructure preparation for three links and one leveling (water connection, electricity connection, road connection and site leveling). Subsequently, the construction sequence was reasonably arranged for the sub-project of the plot to ensure that the entire project was completed on time with high quality and quantity.