On the basis of the analysis of the unbalanced phenomenon of linguistic extravagance, this essay sets forth an issue of fair linguistic environment and dissects an unfair linguistic communication, including an unfair contact of both sides, an unfair communicative benefit of the participants, an unfair benefit of unity and integer and an unfair language use between generations, and the consequences of linguistic communication seriously stained. It puts forward a linguistic ethics of fair intergeneration and intrageneration linguistic environm...