Glass multi-span greenhouse refers to a greenhouse with glass (single glass or insulating glass) as lighting material, which belongs to a kind of intelligent greenhouse. As a form with the longest service life, multi-span glass greenhouses are suitable for use in various regions and climatic conditions. According to the span and the size of the bay, the industry is divided into different building modes (12/ 10.8/9.6m span 4/8m bay), and also divided into vegetable glass greenhouse, flower glass greenhouse, seedling glass greenhouse, ecological glass greenhouse, research glass greenhouse, special-shaped glass greenhouse, leisure glass greenhouse and so on. The smallest is the courtyard leisure type, the maximum height can reach 9 meters, the span 12 meters and the width is 8 meters, and the intelligence can achieve one-button control.