Abstract:The internal and external environment of JISCO cold rolled carbon steel was analyzed in-depth by making use of the SWOT matrix model combined with the practice of JISCO cold rolled sheet. The advantages, disadvantages, opportunities and threats of cold rolled sheet market were described in details. The competitiveness of JISCO was analyzed and the growth type development strategy of cold rolled carbon steel was put forward. The good operating results were achieved through the positive development and improvement of the enterprise competitiveness.