Mask type breathing machine used in high-altitude low-oxygen environment

The invention discloses a mask type breathing machine used in a high-altitude low-oxygen environment, and relates to the field of breathing masks, the mask type breathing machine comprises a breathing mask and an oxygen supply adjusting part, the breathing mask is of a double-cavity structure, the oxygen supply adjusting part is arranged at the front end of the breathing mask, and the oxygen supply adjusting part comprises a shell, a turbine and an adjusting mechanism; an air inlet and an air outlet are formed in the surface of the shell, the air inlet communicates with the inspiration cavity through an air inlet pipeline, the air outlet communicates with the expiration cavity through an air outlet pipeline, the turbine is arranged on the air inlet pipeline, and the adjusting mechanism comprises a control circuit module, an oxygen inhalation concentration sensor, an end-expiratory carbon dioxide concentration sensor and an air pressure sensor. The control circuit module is arranged below the turbine, the oxyg