Ecological reverse osmosis water treatment machine

The utility model discloses an ecological reverse osmosis water treatment machine which comprises a machine frame, a low-pressure water switch, a booster pump, multistage filter cores and a pressure water storage tank, wherein a raw water inlet, a pure water outlet, a purified water outlet, a pressure water storage tank connector and a working pressure indicator are arranged on the machine frame; the multistage filter cores comprise a PP (Polypropylene) cotton filter core, a UDF carbon filter core, a CTO carbon filter core and an RO reverse osmosis membrane filter core which are arranged in the machine frame in sequence; a thick water outlet of the RO reverse osmosis membrane filter core is communicated with the purified water outlet; a pure water outlet of the RO reverse osmosis membrane filter core is communicated with the pressure water storage tank; the low-pressure water switch is connected between the CTO carbon filter core and the RO reverse osmosis membrane filter core after being connected with the booster pump; a through-going pipeline is connected between a thick water opening and a water inlet on the machine frame; and a pressure gauge, a pressure adjusting ball valve and a one-way valve are sequentially arranged on the pipeline.