Drinking machine without waste water, and drinking machine waterway

The utility model relates to a drinking machine without waste water, and a drinking machine waterway. The drinking machine comprises a drinking waterway and a non-drinking waterway which are respectively connected with a water supply pipe, wherein the drinking waterway consists of a filter core group, a booster pump and a membrane filter assembly, which are arranged in series, the membrane filter assembly is provided with a raw water inlet, a concentrated water outlet and a purified water outlet, a water outlet of the booster pump is connected with the raw water inlet, the purified water outlet is connected with a drinking water faucet, the non-drinking waterway is positioned on the downstream of the drinking waterway on a water supply pipeline, the non-drinking waterway consists of a one-way valve connected with the non-drinking faucet, the water supply pipe and the non-drinking waterway are conducted in a one-way manner, and the concentrated water outlet and the non-drinking faucet are connected. According to the drinking machine, the water resources can be reasonably utilized, the service life of the membrane filter assembly is prolonged and the change frequency and cost can be reduced.