Recently Sport for All is expanding its realm in the past level, such as simple leisure or traditional health improvement, into the social welfare level. It also recognized as an effective method that can solve various phenomena of social pathology, such as social problem caused by population aging, health improvement, decreasing medical cost. To prove this thesis, this paper looks into the meaning and the scope of Sport for All, examines the reasons Sport for All inevitably develop in the modern society: the reason such as increasing income, leisure time, and concern on health, or expanding paradigm of physical education. It also covers the effect of Sport for All in the modern society. In addition, the paper covers current legal system and policies regarding Sport for All, and the necessity for legislating the law promoting Sport for All. In conclusion, for the legislation of the act promoting Sport for All, the paper checked the ground to develop Sport for All under current Korean Constitutional system and Sport for All related provisions in the individual laws. The paper made certain of the necessity for enacting the law promoting Sport for All, which organizes each provisions systemically. Thus, the paper developed the draft bill for the enactment of the law promoting Sport for All, which will be helpful to establish the environment for legal system activating Sport for All and the policies.