The utility model discloses a circulation ventilating box body-type hatcher used in the field of hatching. An air inlet and an exhaust outlet are arranged on a box body, and a water-cooling coil pipeis mounted in the interior thereof; a fan is mounted at the upper part of the box body and is positioned near the top plate of the box body, and the front side of the fan faces the right side wall ofthe box body; a suspended ceiling is arranged below the fan, and clearances are formed between the suspended ceiling and the left side wall of the box body, as well as the suspended ceiling and the right side wall of the box body; the exhaust outlet is formed above the suspended ceiling and positioned in an area from the fan to the right side wall of the box body; the air inlet is formed above thesuspended ceiling and is positioned in an area from the fan to the left side wall of the box body; an egg rack trolley is mounted below the suspended ceiling; an air mixing zone is formed between thesuspended ceiling and the left side wall of the box body; and an air intake area is formed below the suspended ceiling and in the area between the egg rack trolley and the right side wall of the boxbody. The utility model mainly overcomes the defect of inconsistent hatching time caused by unreasonable ventilation-type hatcher in the prior art, and provides the hatcher which can generate O-shapedventilation.