The invention provides an ultra wide band bandpass filter with a notch property. The ultra wide band bandpass filter comprises a T-shaped stub-loaded resonator, a first open ring resonator, a second open ring resonator, an input feeder line and an output feeder line. The input feeder line and the output feeder line are connected at left and right sides of the T-shaped stub-loaded resonator and are in gap coupling with the T-shaped stub-loaded resonator. The first open ring resonator and the second open ring resonator are symmetrically arranged at the left and right sides of the T-shaped stub-loaded resonator and are in gap coupling with the left and right sides of the T-shaped stub-loaded resonator. Through adoption of the T-shaped stub-loaded resonator, the bandwidth of a passband can be controlled well, a zero point is respectively generated at two sides of the passband, and the selectivity of the passband is improved. Through adoption of the open ring resonators, a notch stopband is generated, a location of center frequency of the stopband can be adjusted conveniently, the zero point is respectively generated at two sides of the stopband, and the selectivity of the stopband is improved.