Waterway system and water purification equipment

The utility model discloses a waterway system and water purification equipment, and the waterway system comprises a raw water tank, a water purification waterway, a drainage waterway and a backflow waterway. A pump assembly, a reverse osmosis filter element and an electromagnetic valve assembly are sequentially arranged on the purified water path, the purified water path is provided with a first water inlet end and a first water outlet end, the first water inlet end is communicated with the raw water tank, and the first water outlet end is provided with a water outlet nozzle; the drainage waterway is provided with a second water inlet end and a second water outlet end, the second water inlet end is communicated with a wastewater port of the reverse osmosis filter element, and the second water outlet end is communicated with the raw water tank; the backflow waterway is provided with a third water inlet end and a third water outlet end, the third water inlet end is communicated with the water outlet of the elec