Thin-layer seismic horizon interpretation method and device

The invention discloses a thin-layer seismic horizon interpretation method and a thin-layer seismic horizon interpretation device. The thin-layer seismic horizon interpretation method includes calibrating synthetic seismic records; determining the position of a top-bottom interface of the oil reservoir, the position of a top interface of an inner small layer of the oil reservoir and an earthquake instantaneous phase; in the range of the top-bottom interface of the oil reservoir, the relatively stable seismic event is explained; the change trend characteristics of the stratum thickness are counted; statistical analysis is performed on seismic attributes capable of reflecting changes of stratum structure and stratum thickness to serve as trend attributes; and determining seismic horizon interpretation between the drilling wells and outside each drilling well by taking the calibration result and the seismic instantaneous phase as reference standards and seismic attributes as transverse trend constraint data. Acc