The Direct Discharge Vibrating Sifter is a new and multifunctional screening machine, which can be installed one or two vibration motors according to customer’s specific situation. The invention allows unrestricted flow of material and creates the 3-D motion that allows oversize material full discharged directly, keeping the screen clear for maximum product flow. Its low space requirements and straight flow design, allow the vertical type vibration screen fit easily into existing product lines without reworking the entire system.