Double-membrane dry type gas storage cabinet capable of preventing odor accumulation

The utility model discloses a double-membrane dry type gas storage cabinet preventing odor accumulation, which comprises a gas cabinet outer membrane and a gas cabinet inner membrane, a gas cavity is formed between the gas cabinet outer membrane and the gas cabinet inner membrane, an air inlet bin and an air outlet bin are arranged on the outer side wall of the gas cabinet outer membrane, the air inlet bin is communicated with the gas cavity through an air inlet hole, and the air outlet bin is communicated with the gas cavity through an air outlet hole. The air outlet bin is communicated with the air cavity through the air outlet holes, the air inlet bin is connected with an air inlet mechanism through a pipeline, and the air outlet bin is connected with an air collecting mechanism through a pipeline. A ventilation facility composed of the air inlet bin and the air outlet bin is arranged on the outer side of the gas holder outer membrane of the gas storage holder, and a bottom-in and top-out ventilation mode