Water purifier leasing is quite good, compared to the purchase of household water purifier one-time investment is higher, the subsequent maintenance, maintenance, filter replacement and other technical work, it is difficult to get protection. Lease mode is a good solution to these problems, equipped with intelligent IOT technology, in its supporting cell phone APP, to achieve the function of water quality monitoring, can real-time display of the use of water purifier. Report repair, core replacement reminder, remote control flushing and other functions are brought together in one convenient and worry-free.