Metal-organic　framework　(MOF)　is　a　new　type　of　nanomaterials　with　high　porosity,　specific　surface　area　and　high　designability,　which　has　been　widely　used　in　many　fields　such　as　adsorption　separation　and　solid　phase　extraction.　Ionic　liquid　(IL)　have　good　stability　and　functional　design,　which　have　great　application　prospects　as　new　green　solvents.　Loading　ILs　into　the　pores　of　MOFs　to　develop　new　IL/MOF　composites　can　give　full　play　to　the　advantages　of　the　two　materials.　In　this　review,　we　discussed　all　the　construction　strategies　of　IL/MOF　composites　so　far,　as　well　as　the　application　and　advantages　of　CO2　capturing　and　separating　in　atmospheric　environment　and　removing　pollutants　in　water　environment.　We　also　summarized　and　prospected　the　application　of　IL/MOF　compo-sites　in　environmental　media　in　the　future.　Copyright　©2022　Acta　Materiae　Compositae　Sinica.　All　rights　reserved.