Some investigation results of the b-sensitivity of organic Lengmuir-Blodgett (LB) films irradiated with an electron beam are described. The dependences of the integral luminescence (Δλ=380-450nm) on the electron energy (0.2...6kV) with a constant density (0.05...4.0μA/cm2) are represented. The possible spheres of LB films application as scintillator detectors of ionizing radiation are discussed.