The thoughts of "Normalization" and "Main stream" make barrier-free environment to become a world-wide topic. Legislation which includes ordinance or law to enact barrier-free environment is one of efficient way adopted by countries. This thesis includes follows: 1)analyzes the transformations of barrier-free environment development internationally; 2)compares and classifies the governmental regulations the in United Nations, Japan, Europe and American in recent forty years; 3)examining the situations and characteristics of relative regulations in Taiwan; 4)inspects problems of relative regulations that should be solve in the future.