A side spraying outlet device is assembled to a supporting arm fixed to the wall, wherein the outlet device includes a side spraying component. The side spraying component includes a fixed portion secured to the wall and at least a side spraying mechanism disposed in the fixed portion, the fixed portion is disposed with a first diversion waterway, the side spraying mechanism is connected to the first diversion waterway; the side spraying component is connected to the supporting arm by a first flexible pipe.