Steam box capable of intelligently controlling steam quantity

The utility model discloses a steam box capable of intelligently controlling steam quantity. The steam box comprises a box body, an intelligent control panel, a steaming cavity, a box door and a movable bracket, through the arrangement of the movable bracket, when food needs to be taken out after being cooked in the steaming cavity, a user can pull the tray to enable the sliding block and the connecting block to slide along the surface of the fixing rod, after the tray slides out, the connecting block can limit the rear end of the tray to prevent the rear end of the tray from tilting upwards, and the sliding block can be supported on the surface of the fixing rod; then the front end of the tray is supported through the connecting plate, so that the tray is supported after sliding out, a user can conveniently take food placed on the tray, the phenomenon that the hands of the user stretch into the steaming cavity to be scalded by high-temperature steam can be avoided when the tray slides out, the tray can be ho