[Object]It is to provide a novel LXRβ agonist that is useful as a preventative and/or therapeutic agent for atherosclerosis arteriosclerosis such as those resulting from diabetesdyslipidemia hypercholesterolemia lipid-reflated diseases inflammatory diseases that are caused by inflammatory cytokines skin diseases such as allergic skin diseases diabetes or Alzheimers disease. A 2-oxochromene derivative represented by the following general formula (1) or salt thereof, or their solvate.