Thinking over the Judging Basis for Linguistic Normative Level——About the Rational Principle and the Customary Principle

Recently the rational principle and the customary principle have been regarded as the main judging basis for linguistic norm.But the practice proves that the rational principle is hard to conduct and the customary principle less popularized.The establishment of the judging basis for linguistic norm should take the consideration of those target's characteristics.Langue and parole must be divided and ruled by their dissimilarity.Stability,sociality and pragmatic function should be the basis for langue,while effect principle and ethic principle should be the basis for parole.When dealing with the transitional area between langue and parole,the normal and the abnormal,we should not go to extremes.