Reverse osmosis treatment device for safe drinking water

The utility model discloses a reverse osmosis treatment device for safe drinking water, and relates to the technical field of drinking water production. Comprising a pretreatment cylinder and a reverse osmosis filter, the side wall of the pretreatment cylinder is communicated with a water outlet pipe, and one end of the water outlet pipe away from the pretreatment cylinder is communicated with the water inlet end of the reverse osmosis filter; an inner cylinder is coaxially arranged in the pretreatment cylinder, a rotating shaft is arranged at the bottom of the inner cylinder, the bottom end of the rotating shaft penetrates through the bottom wall of the pretreatment cylinder and is fixedly connected with the output end of a motor arranged at the bottom of the pretreatment cylinder, and the top of the inner cylinder is rotationally connected with the top wall of the pretreatment cylinder; a backwashing device is arranged on the side wall of the pretreatment barrel; a top cover is arranged at the top of the pr