An organic semiconductor material having high charge mobility characteristics and an organic semiconductor element is provided. The organic semiconductor material has rodlike low-molecular liquid crystallinity, including a skeleton structure comprising L 6 .pi. electron aromatic rings, M 10 .pi. electron aromatic rings, and N 14.pi. electron aromatic rings, wherein L, M, and N are each an integer of 0 (zero) to 4 and L+M+N=1 to 4; and a terminal structure attached to both ends of the skeleton structure. The terminal structure can develop liquid crystallinity. The phase angle .theta. of impedance of the organic semiconductor material is -80.degree..ltoreq..theta..ltoreq.-90.degree. as determined in the measurement of impedance in a frequency f range of 100 Hz.ltoreq.f.ltoreq.1 MHz in such a state that the organic semiconductor material in an isotropic phase state is held between a pair of opposed substrates with an interelectrode spacing of 9 .mu.m.