Vegetable greenhouse is a frame film structure with good insulation performance, which enables people to eat off-season vegetables. Generally, vegetable greenhouses use bamboo or steel frame structures, covered with one or more layers of insulation plastic film, to form a greenhouse space. The outer membrane effectively prevents the loss of carbon dioxide produced by the growth of internal vegetables, providing good insulation inside the greenhouse. Using hot-dip galvanized thin-walled steel pipes as the arch material. The advantages are high strength, strong wind and snow resistance, good rust and corrosion resistance, high light transmittance, easy operation and management, and a service life of up to 10-15 years.