福多以其思想内容的复杂性和生成性、语言理解的系统性以及内省的证据作为心理语言存在的原则性理由。并从天赋语言、非言语有机体、思想的非含糊性和不可表达性、信念划分等几个方面具体论证需要假定心理语言。本文对这些论证所面临的理论难题提出质疑。论文表明 ,福多的论证很难使人相信 :我们必定以所谓“心理语言”而不是以自然语言或口头语言进行思维 Bodhisattva takes the complexity and generativeness of his thought content, the systematicness of linguistic understanding, and the introspective evidence as the rationale for the existence of psychological language. And from the natural language, non-verbal organism, non-ambiguity and non-expression of ideas, beliefs and other aspects of the specific argument need to assume that the psychological language. This article challenges the theoretical problems faced by these arguments. The essay shows that Fido’s argument is hard to convince people that we must think in the so-called “psychology language” rather than in natural language or verbal language