The resource integrated Changchunxing Mine was taken as the research background, according to its actual geological conditions, the methods of collect data, field investigation, geophysical exploration and underground drilling were adopted, the results of the floods investigation in Changchunxing Mine were obtained. The risk assessment of floods ensured that the mine water hazard did not have negative effect on mining activities in the next three years. According to the water situation of the mine, the corresponding water prevention and control measures were worked out, providing reference for mine water control and implementation of water control measures in the future.