The utility model provides a water supply control cabinet, the utility model relates to a switch board technical field, it contains control cabinet, cabinet door, component installing support, connecting plate, component connection hole, control cabinet 's front side is equipped with the cabinet door, and control cabinet 's inside is equipped with several component installing support, connects through the connecting plate between two component installing supports of bottom side, all is equipped with a plurality of component connection hole on every component installing support, the both ends of component installing support pass through connecting bolt and be connected with control cabinet 's lateral wall. The installing support is movable design, makes things convenient for installing in the maintenance of component greatly, guarantees the efficient work demand of high quality, and the practicality is stronger.