The invention relates to a medical oxygen supply room system. The medical oxygen supply room system comprises an oxygen supply room, wherein an oxygen supply hole is arranged at the upper part of theoxygen supply room, the oxygen supply hole is provided with an oxygen supply device, the oxygen supply device is used for supplying oxygen to the oxygen supply hole, an air exhaust hole is arranged atthe lower part of the oxygen supply room, the air exhaust hole is provided with an air exhaust device, the air exhaust device is used for exhausting air in the oxygen supply room to the outside, theoxygen supply device works at the preset oxygen supply power, and the air exhaust device works at the preset air exhaust power; the oxygen supply concentration is dynamically adjusted, so that the oxygen supply concentration in the whole room is maintained at the value capable of satisfying the breathing demand of a patient, thus the indoor oxygen concentration is relatively high, and the patientcan freely move in the oxygen supply room without the need of wearing a breathing apparatus.