Water-saving device with switching function

The utility model discloses a water-saving device with a switching function, which comprises a water-saving device, a connecting box is arranged on a drain pipe of the water-saving device, and driving components are arranged on two sides of the connecting box; supporting mechanisms are fixedly mounted on the two sides of the connecting box, toothed plates are arranged on the two sides of the connecting box, the driving assembly is in transmission connection with the toothed plates, and the toothed plates are slidably connected to the supporting mechanisms; the device comprises two sets of connecting strips and a baffle, the two sets of connecting strips are located on the two sides of the baffle correspondingly, and fixing assemblies are arranged on the two sides of one ends of the two sets of connecting strips correspondingly. The driving assembly of the connecting box runs to drive the toothed plate to move downwards, the toothed plate moves downwards to drive the connecting strip to move downwards, the con