The utility model discloses a breathable gas device with a humidifier, which can be used to provide humid breathable gas for the patients. The breathable gas device comprises a pedestal device, which can be connected with a gas generator or can be dismounted from the gas generator, and comprises an elastic vent sealing member; a water container having an inlet and an outlet, which can be connected with the pedestal device or can be dismounted from the pedestal device. The inlet of the water container can be used to generate a sealing gas channel by using the elastic vent sealing member, when the water container is connected with the pedestal device. The utility model also comprises a combination device of the gas generator and the humidifier, which comprises a gas flow generator structure, which is suitable for the noise reduced by comparing with the conventional gas generator having the same size. The utility model also discloses a blower cover of the gas flow generator used for providing the patients with the gas, and the blower cover comprises a metal container provided with acoustics damping polymer inner liner.