The invention discloses an integrated water treatment purifier which comprises a shell (1) with an inner chamber, wherein the upper part of the shell is connected with a water outlet pipe (2), the lower part of the shell is connected with a mud outlet pipe (4), and the inner chamber of the shell (1) is provided with a flocculation reaction device (5); the flocculation reaction device (5) comprises a water inlet pipe section (5a) and a reactor body (5b), wherein the inner chamber of the reactor body is provided with flocculated packing (5c), the lower part of the reactor body is provided with an upper tapered flow guide component (6), an inclined plate assembly (7) is formed on the outside of the periphery of the reactor body (5b), a lower chamber (1a) is formed in the inner chamber of the shell by the inclined plate assembly, the bottom of the lower chamber (1a) is a concentrated mud collection zone, a filter layer (8) is arranged above the inclined plate assembly (7), a middle chamber (1b) and an upper chamber (1c) are formed in the inner chamber of the shell by the filter layer (8), and the upper chamber (1c) is communicated with the water outlet pipe (2). The integrated water treatment purifier integrates flocculation, sedimentation, filtering and concentrated mud collection, and has the advantages of no mutual interference of functional zones, simple and compact structure and small floor area, which is favorable for enhancing the water quality of output water.