Smoke vent skylights have the functions of lighting and smoke extraction. Smoke hatch skylight is suitable for industrial plants where daylighting is the mainstay, and ventilation is supplemented. Smoke vents can play a very good role in lighting, ventilation, smoke exhaust and ventilation for the work space of the plant. With the rapid development of modern industrial economy, "green environmental protection" has penetrated into everyone's hearts, and the concept of green environmental protection has gradually become ingrained in people's hearts. Smoke vent skylights can promote the air circulation in the indoor space of industrial plants and create a particularly comfortable natural ventilation environment. It can also allow workers to work at ease in such a working environment, improve work efficiency, and further improve the economic benefits of the enterprise. The automatic opening vents are distinguished from the appearance, there are mainly three types: one-shaped lighting and smoke exhaust skylights, triangular lighting and smoke exhaust skylights and arched lighting and smoke exhaust skylights, all of which are widely used in the skylight market. Regardless of the type of daylighting and smoke exhaust skylights, it is always correct to choose and buy according to the actual characteristics of industrial enterprise plants, and it can also play the role of skylights to a greater extent.