The utility model discloses a pump body liquid feeding device, including the suction pump, the leading water pipe and the liquid feeding unit connection of suction pump, the liquid feeding unit is including the liquid filling devices who stands upside down and place, liquid filling devices's below is equipped with the gasbag, it has liquid to store in the liquid filling devices, the liquid pipe was connected with the inlet of gasbag under liquid filling devices passed through the bottom, the liquid outlet of gasbag is managed and is drawn water piping connection through the feed liquor. The utility model discloses pump body liquid feeding device has advantages such as simple structure, with low costs, preparation and convenient to use.