Retractable roofs have become a popular feature in sports stadiums, in recent years. However, they allow a building to becomes more flexible in its use when it has used throughout time. This paper reviews the current technologies of retractable roofs. These structures can be seen throughout the world. Structural features closing and opening features to determine, what is appropriate for the particular building, its included in designing retractable/deployable systems. Common issues for designing these structures are summarized. Such roofs are also used in residences, commercial buildings, swim centers, etc. so study will be limited only to the retractable roof of stadiums. The paper will conclude with the case studies of two roofs, one being the reliant stadium and the other being the Amsterdam arena.