The invention discloses a nitrogen-containing polycyclic compound represented by a general formula (1), a high polymer containing the nitrogen-containing polycyclic compound, a mixture, a compositionand an organic electronic device. According to the invention, plane triphenylamine and a twisted structure spiro structure are fused to form a core unit, the core unit is matched with other functionalunits, and the molecular structure and the functions are adjusted, so the material has good energy transmission capacity and can achieve good exciton dispersion effect so as to easily improve the performances of the compound and the related device.