The invention discloses an air channel control device which comprises an intelligent gauge outfit, a vent button, optical fiber adaptors, a control circuit, a power supply, an extraction fan, an exhaust joint, a vent joint, an inflation joint, an air supply joint, a vent electromagnetic valve, an inflation electromagnetic valve, a pressure transmitter and a T-shaped three-way joint, wherein an inlet end of the inflation electromagnetic valve is connected with the air supply joint; an outlet end of the inflation electromagnetic valve is connected with one port of the T-shaped three-way joint; another port of the T-shaped three-way joint is connected with the pressure transmitter; another port of the T-shaped three-way joint is connected with the inflation joint; an inlet end of the vent electromagnetic valve is connected with the vent joint; an outlet end of the vent electromagnetic valve is connected with the exhaust joint; and the control circuit is connected with the intelligent gauge outfit, the vent button, the optical fiber adaptors, the power supply, the vent electromagnetic valve and the inflation electromagnetic valve respectively, and used for obtaining control information from the intelligent gauge outfit. The air channel control device can solve the problems that the existing air channel control device is low in control sensitivity, relatively heavy, and inconvenient to debug on site.