The invention discloses a ventilation cabinet with an exhaust facilitating function. The ventilation cabinet comprises a cabinet body, a workbench and a ventilation mechanism; the cabinet body is internally provided with an operation space, and the workbench is arranged in the operation space; the ventilation mechanism comprises an air suction box, a first partition plate, a second partition plate, a first deformation film, a second deformation film, a first ultra magnetostriction thin film, a second ultra magnetostriction thin film, a coil, a first rotary slice, a second rotary slice, a third rotary slice and a fourth rotary slice; the air suction box is provided with air inlet holes and exhaust holes, and the air inlet holes communicate with the operation space; the air suction box is internally provided with an accommodating space; the first partition plate and the second partition plate are both arranged in the accommodating space and divide the accommodating space into a first space body, a second space body and a third space body in sequence, the first space body communicates with the exhaust holes, and the third space body communicates with the air inlet holes; the first partition plate is provided with a first through hole and a second through hole; and the second partition plate is provided with a third through hole and a fourth through hole. The ventilation cabinet with the exhaust facilitating function is simple in structure and good in ventilation effect.