Milk powder packaging bag

The utility model discloses a milk powder packaging bag which comprises a bag body used for packaging milk powder and a switch for controlling the intake and discharge of the milk powder. The milk powder packaging bag is characterized in that the switch which can be turned on and off is arranged on the side face of the packaging bag, which provides convenience for discharge of the milk powder and at the same time has the functions of sealing and preserving the milk powder. The switch comprises a switch body and a guide tube; the switch body is connected with the packaging bag and mainly has the function of supporting the guide tube; the guide tube can rotate for certain angle; and the milk powder can be poured out of the bag from the guide tube. The milk powder packaging bag is simple in structure and good in sealing property and is sanitary and convenient to use.