Ground stress prediction method based on rock physical modeling and medium

The invention discloses a crustal stress prediction method based on rock physical modeling and a medium. The method may include: calculating a pore pressure; calculating rock mechanical parameters; calculating the maximum effective horizontal principal stress and the minimum effective horizontal principal stress of the well wall fracture point; inverting a tectonic strain coefficient; and obtaining continuous maximum and minimum horizontal principal stress profiles according to the pore pressure, the rock mechanical parameters and the tectonic strain coefficient. According to the method, the maximum horizontal principal stress and the minimum horizontal principal stress of the well wall fracture point are accurately obtained by correcting the Lode formula rock fracture criterion and adopting the stress polygon for constrained inversion, and the accurate maximum horizontal principal stress profile and the accurate minimum horizontal principal stress profile are obtained based on the corrected structural strain