The scope of the judicial review of decisions made by the Fair Trade Commission are not subject to any limitations in Taiwan, R.O.C.. The scope of the judicial review includes issues of fact and law. The Fair Trade Commission in Taiwan consists of legal and economic specialists and is more capable of judging an issue of fact than the courts. This paper discusses the problems regarding the scope of the judicial review of decisions made by the Fair Trade Commission. First of all, this paper introduces the general rules regarding the scope of the judicial review of administrative actions. The scope of judicial review includes both issues of fact and law. Secondly, this paper analyzes the legal systems concerned with the scope of the judicial review of decisions made by the respective Fair Trade Commissions of the U.S.A. and Japan. In the U.S.A. and Japan, the scope of the judicial review is limited by the “substantial evidence rule”. The findings of the Commission with regard to the facts, if supported by evidence, shall be conclusive. This paper then comments on the defects in the legal system in relation to the scope of the judicial review of decisions made by the Fair Trade Commission in Taiwan. This paper concludes by presenting the prerequisites for adopting the substantial evidence rule.