Xiajiang Key Water-control Project in 2012 is at the construction peak,but the progress of the second-stage phase lagged due to the processing of ship lock base fault affects construction and flood prevention.By taking positive action,we ensured the construction safety in the great flood season twice and avoided significant loss.The goal of node and the total time limit for project is not affected.This article introduces the action of 2012 second stage of Xiajiang Key Water-control Project construction action in flood season.