Tail gas emission device for strain culture room

The utility model relates to a tail gas emission device for a strain culture room, which comprises the strain culture room, a plurality of air outlets are uniformly distributed at the lower part of the strain culture room, a tail gas emission device is arranged outside each air outlet, the tail gas emission device comprises a light blocking cover with an opening at the lower end, and a wind chamber communicated with the air outlets is arranged in the light blocking cover. A one-way air guide plate is arranged on the side, opposite to the air outlet, of the wind chamber. The light blocking cover is arranged outside the wind chamber, outdoor light is blocked, the air draft environment of the wind chamber is supported and protected at the same time, the exhaust fan in the wind chamber accurately and efficiently sucks tail gas, the circulation area is automatically adjusted through the arranged one-way air guide plate according to the air flow, one-way circulation of the tail gas is achieved, and environmental pr