Control combination valve for vehicle tire inflation/deflation system

The utility model relates to a control combination valve for a vehicle tire inflation/deflation system. The control combination valve is characterized in that a baseplate is provided, an air admission joint is arranged on the baseplate and connected with an inflation solenoid valve and a deflation solenoid valve which are both connected with a tire on/off solenoid valve, and an air outlet joint is arranged behind the tire on/off solenoid valve; a reducing valve, a nylon tube and a one-way valve are arranged between the deflation solenoid valve and the tire on/off solenoid valve; an inner passage in the baseplate is connected with all components; and an exhaust solenoid valve and an exhaust joint are provided for realizing back pressure. The control combination valve provided by the utility model has convenience in assembly and high reliability, can monitor and adjust the pressure of a tire in a real time manner, and is of great significance in ensuring the optimal running state of a vehicle on various road conditions.