Household multifunctional water saving device

The utility model discloses a household multifunctional water saving device. The technical scheme includes that a single chip microcomputer is used as a control core, a water velocity sensor can provide water velocity signals to the single chip microcomputer control core, a stepping motor drives a water saving valve to realize flow adjustment, expected water velocity is set via a keyboard, and simultaneously a digitron displays setting values and current values of water velocity. The device is provided with infrared sensing start mode and keyboard starting mode, a user can directly press a start and stop key to control working of the device, and can also control water discharge of a tap by means of the infrared sensing mode, and the device has the advantages of complete functions, strong practicality, low cost, simple use method, visual digital display, great reduction of inconvenience caused by a conventional household water installation, and effective water saving, thereby being suitable for popularization and application.