Whether to build cheap to rent a house seriously, whether genuinely and sincerely helps difficult group solve housing problem, mirrorred an official to be in office for civilian problem. Of course, of the official be in office concept, concern with system of evaluation of whole achievements in one's official career. Want to change cheap to hire a room to cover too small issue, on one hand, want to change achievement in one's post to evaluate a system, hire cheap the room to bring into an official to assess a mechanism in the center; On the other hand, the opinion that should let common people rises to supervise and urge truly action, for instance, france passes “ but act of ” of counterplea living authority, it is difficult to provide 5 kinds of housings door if housing problem is couldn't get,solve, but to administrative court to lodge a complaint, force a government to solve the system with similar ─ of housing problem ─ seriously through legal approach, why are we drawn lessons from?