Combined water purifier

The utility model discloses a combined water purifier which comprises a water purifier main body, wherein a water inlet in the front surface of the water purifier main body is connected with a PP (polypropylene) cotton filter element, an active carbon filter element, an RO (reverse osmosis) membrane filter element and a rear carbon filter element which are arranged in the water purifier main body, through pipelines in sequence; the pure water outlet of the rear carbon filter element is formed in the front surface of the water purifier main body; a thick water outlet in the front surface of the water purifier main body is connected with a thick water discharge pipeline of the RO membrane filter element through a pipeline; the PP cotton filter element, the active carbon filter element and the RO membrane filter element are vertically arranged in the water purifier main body in parallel in sequence; the rear carbon filter element is horizontally arranged above the PP cotton filter element, the active carbon filter element and the RO membrane filter element. As the pipelines in the water purifier are reasonably connected, the water purifier can be made relatively small in size and can be randomly combined with other function modules to form a water purifier with different functions, so that different living requirements of people can be well met.