1998年颁布实施的《价格法》把价格歧视列入不正当价格行为加以禁止。作为规范价格活动的基本立法,《价格法》对“价格歧视”只做了原则性规定,法律制定不够具体,可操作性不强,影响了对价格歧视行为的规制和查处。为此,本文从社会福利角度透析价格歧视行为,探讨规制价格歧视行 The “Price Law” promulgated in 1998 put a price ban on unjust prices. As the basic legislation regulating price activities, the Price Law provides only the principle of “price discrimination”. The law is not specific enough and the operability is not strong, which affects the regulation and investigation of price discrimination. To this end, this article from the social welfare perspective of price discrimination behavior, to explore the regulatory price discrimination line