Retractable roof structure is mostly used in a stadium and sports complex. Roof is helped to protect structure from various climatic conditions, it provides maximum circumstances to facilitates various activities. Which are designed with stadium and sports hall. Retractable roof structure gives quality atmosphere as well as remembrabal experience to the visitors. Retractable roof structure is the best structure which permits sunlight and ventilation. It gives required atmosphere to the ground. Retractable roof structure which can be fold level by level, the folding feature of retractable roof structure enhance the effectiveness and efficiency of whole structure. Now, we research different system and identity characteristics of retractable roof structure and it can be moving system or folding structure.