Songliao Basin is a structure belt controlled by the Siberian plate, North China plate and Pacific plate, which belongs to the mosaic micro-massif active orogenic belt in the Jiameng block. Based on the study of "three-layer" structure pattern of the surface (continental basin), crustal (marine late-Paleozoic residual basin) and lithosphere, it appears to be NNE-NE and EW “overpass type” structural pattern. In view of the reservoir forming effects of superimposed basin, and since deep marine carbonate rock type or volcanic rock type gas reservoir can be taken as the main direction of reservoir prospecting, a strategic guideline of “regional prospecting and major breakthrough” as well as concrete proposals of deep reservoir prospecting were also put forward. By the research and forecasting, it is preliminarily considered that the deep part has favorable reservoir prospecting potential, so it is also proved that the grand plan of “centennial Daqing” will be achieved in the future.