Key words : cases, disabled persons, social welfare. Introduction 1.The constitution of the social welfare law of disabled person 2.The amendment of this act [before international year of disabled person] 3.The amendment of this act [after international year of disabled person] 4.The cases of the social welfare law of disabled person Conclusion This article aims at understanding the social welfare law of disabled persons from two points. The first point is the explanation of the outline of the amendments of this act, before and after the international years of disabled persons. The second one is the interpretation based on five cases from judicial precedents.