The invention discloses a mouth-pushing sucking type water drinking nipple for ducks. The mouth-pushing sucking type water drinking nipple comprises a body; a water inlet channel and a water outlet channel which are communicated with each other are formed in the body; a control ball for sealing the inlet of the water outlet channel is arranged in the water inlet channel; the body is provided with a moving plate capable of sliding along the body; the mouth-pushing sucking type water drinking nipple also comprises a connecting rod; one end of the connecting rod is connected with the moving plate, and the other end of the connecting rod penetrates through the water inlet channel and presses against the control ball; and a duck pushes the moving plate upwards with an upper proboscis, the moving plate drives the connecting rod to move upwards, the connecting rod pushes the control ball to leave the water inlet of the water outlet channel, and water enters the mouth of the duck through the water outlet channel, cannot flow outwards and cannot injure the mouth of the duck.