The present disclosure discloses a water outlet device comprising a water outlet portion and a moving portion disposed in the water outlet portion. The water outlet portion comprises a body portion and a cover portion. The cover portion comprises a first water outlet nozzle, and the moving portion is movable relative to the cover portion. A transmission mechanism is disposed between the moving portion and the water outlet portion, and the transmission mechanism drives the moving portion to move toward the cover portion and away from the cover portion. The moving portion comprises an insertion portion. Movement of the moving portion controls the insertion portion to insert or pull out from the first water outlet nozzle, and the first water outlet nozzle discharges different water spray patterns when the insertion portion is inserted into or pulled away from the first water outlet nozzle.