Multiferroics are multifunctional materials that exhibit multiple ferroic orders at the same time. Combination of ferroelectric and magnetic order opens possibilities for technological applications. Magnetic properties of perovskite multiferroic BiFeO3 doped with different concentrations of gadolinium were investigated with MPMS SQUID magnetometer. Apart from usual low temperature magnetic properties, using the special inset for MPMS SQUID magnetometar, high temperature properties of all the samples were measured in temperature interval of 2 to 800 K. Phase transition was observed at 640 K, which decreases with increase of gadolinium concentration down to 635 K, as well as huge separation between ZFC and FC curves, as a result of increasing concentration of gadolinium ions, was observed. Magnetic hysteresis loops were measured up to 5 T and no signs of saturation were visible. BiFeO3 exhibits characteristic antiferromagnetic hysteresis curves with small coercive field which decreases with temperature, while the doped samples exhibit large coercive field which increases in particular temperature interval. Magnetization measured in electric field showed small changes in magnetic moment, but significant change in magnetization behaviour was absent which indicates strong magnetic structure of BiFeO3. Although BiFeO3 doped with gadolinium exhibits higher magnetic moment than the pure phase of BiFeO3, it doesn’t lead to noticeable magnetoelectric coupling. BiFeO3 is one of the rare room temperature multiferroics but it’s low magnetoelectric coupling limits it’s technological perspective, even in the case of induced weak ferromagnetism after performed doping.