Medical oxygen flow indicative control valve

The utility model relates to a medical oxygen flow display control valve and is composed of a control valve and a flowmeter; the control valve is provided with a hexahedral valve body 10, an air inlet connector 2, a main switch 11 controlling outflow of oxygen from an oxygen cylinder, a pressure gauge 12 and a fine-adjustment switch 15 which is positioned at the front side of a central axis line of the main switch 11 and can control the oxygen outflow amount and the pressure are respectively arranged on the valve body 10; the control valve is communicated with the flowmeter by a thread connector 4 and an outlet connector 5. The utility model is suitable to be installed and used on small medical oxygen cylinders and has the functions of controlling, regulating, displaying of the oxygen flow and can control the oxygen supply pressure and the oxygen inhalation, furthermore, the utility model has safe use, accurate reading, simple structure and convenient operation.