A study of factor consideration that makes special economic zone of Malaysia success has an objective to study the factor that affect Iskandar special economic zone success. Study in reverent laws and forced in Malaysia’s special economic zone. Measure and policy that enforced in special economic zone for directly attract investment from foreign country to Malaysia by study in a base of forensic economic. By economic perspective, use secondary data from relate agencies in analysis. In forensic economic part will be analyze and study in law act in Malaysia’s special economic zone include Iskandar Regional Development Authority Act 2007. Study result founds happiness and success factors of special economic zone include with two factors that directly affect and indirect effect consisting of government investment factor and investment facility factor. In relate law and forced in Iskandar special economic zone found that Iskandar special economic zone has been use Iskandar Regional Development Authority Act 2007 or IRDA Act 2007 via Law of Malaysia Act 667 especially in Iskandar special economic zone supervision area. This law is the law that govern Iskandar Regional Development Authority in order to proceed in the right direction including any policies and strategies that relate to Iskandar special economic zone’s development. In addition, this would improve and ease of coordination between government departures in trade support, investment and development in Iskandar special economic zone. Moreover, in measure and policy that enforced in Iskandar special economic zone to attract foreigner’s direct investment founds that Iskandar special economic zone set on 5 strategic structures of Iskandar special economic zone included International Rim Positioning, Establishing Hard and Soft Infrastructure, Enablers Investment in Catalytic Projects, Establishing a strong institutional framework and the creation of a strong regulatory authority and Ensuring socio-economic equity and buy-in from local population