Service water treatment device

The utility model belongs to the technical field of water treatment and relates to a service water treatment device, in particular to a device capable of treating municipal tap water into direct drinking water with good taste and nutrition. The service water treatment device comprises a water inlet, a water outlet, a water purification system and a tempering system, wherein the water inlet is communicated with a tap water outlet; the water outlet is connected with a faucet; the water purification system comprises an ultrafilter, and at least one of polypropylene cotton, coconut shell activated carbon and KDF (KaiDeFei) alloy; the tempering system comprises at least one of sodium ion exchange resin, poly calcium sodium phosphate, medical stone, tourmaline, fiber activated carbon and silver loaded activated carbon; the ultrafilter is connected with the water outlet and is positioned at the final stage of the service water treatment device.