The invention to provide a carbon dioxide mist pressure bath system which is possible to cause the carbon dioxide mist to be absorbed efficiently through the skin and mucous membrane of the human living-body. The system comprises a carbon dioxide supply means 11; a liquid supply means 21; a carbon dioxide mist generating means 31 for pulverizing and dissolving carbon dioxide and the liquid to generate the carbon dioxide mist; a living-body cover member 41 for covering the skin and mucous membrane of the living-body and formed with a space of sealing inside the carbon dioxide mist generated by the carbon dioxide mist generating means 31; a liquid circulation means 61 for again supplying a liquid collected in the carbon dioxide mist generating means 31 into the carbon dioxide mist generating means; and a pressurization means 81 for pressurizing the inside of the living-body cover member 41.