The buried hill strike-slip transfer zone is widely developed in the Bohai Sea, but its development characteristics and reservoir control are weak. Based on drilling, logging, 3D seismic and other data, the development characteristics, genetic mechanism of structural transfer zone and their control effect on buried hill scale reservoirs in northern Liaodong Bay are analyzed. Study shows that under the background of sinistral strike-slip at the late Yanshanian, many types of transfer zones are developed in buried hills in northern Liaodong Bay; based on the interaction of strike-slip faults and the shape of the transfer zone, the buried hill transfer zone in northern Liaodong Bay can be divided into two types: single-branch bending type and bi-branch overlapping type; based on the local stress state, it can be further subdivided into 4 subclasses: single-branch anti "S" type, single-branch "S" type, bi-branch left-handed right-order and bi-branch left-handed left-order transfer zones. Among them, single branch anti "S" type and bi branch left-handed right-order transfer zones belong to pressurized transfer zones, and single branch "S" type and double branch left-handed left-order transfer zones belong to pressure relief transfer zones; the compressive torsional dynamic crushing provided by the pressurized transfer zone makes the buried hill develop large-scale fractured reservoir, which is the key to the development of large-scale buried hill reservoir.