The utility model discloses a vibrating screen. The vibrating screen comprises a base, a vibrating screen body, an elastic component and a vibration damper. Specifically, the elastic component is arranged on the base so as to support the vibrating screen body; the vibration damper is arranged between the base and the vibrating screen body and is connected with the base and the vibrating screen body. According to the vibrating screen disclosed by the embodiment of the utility model, when screening is completed, the vibration damper enables the vibrating screen body to stop vibrating quickly, so that the long-time low-frequency vibration of the vibrating screen body is prevented, and the damages of mechanical mechanisms of a dry powder mixing plant are reduced. Moreover, compared with the traditional technology that an eccentric motor is adopted for plug braking, the eccentric motor is protected, and simultaneously the damages of control system elements caused by instantaneous high current are also prevented. The vibrating screen is simple in structure and convenient to use, and the service life of the dry powder mixing plant is prolonged. Moreover, the utility model further discloses a dry powder mixing plant with the vibrating screen.