Water purification system

The utility model provides a water purification system which comprises a pretreatment system, a water inlet electromagnetic valve, a pressurization device, an RO (reverse osmosis) treatment device, a water purification and storage system, a water preparation system, a flushing device, a concentrated water recycling system and a water quality detection device, wherein the RO treatment device comprises a purified water outlet and a concentrated water outlet; the purified water outlet is connected with the water purification and storage system; the concentrated water outlet of the RO treatment device is respectively connected with the water preparation system, the flushing device and the concentrated water recycling system; outlets of the water preparation system and the flushing device are connected to the concentrated water outlet; the water outlet of the concentrated water recycling system is connected to the inlet of the pressurization device; the water quality detection device is arranged between the RO treatment device and the water purification and storage system or between the RO treatment device and the pressurization device. With the adoption of the structure, the utility model has the advantages that the provided water purification system is high in period recovery rate, the service life of an RO membrane filter element is long, the system stability is good, the water quality adaptability is strong and the intelligent control can be realized.