The invention discloses a box type incubator with a large egg capacity, which comprises a box body, a box door, a left side plate, a right side plate, a rear box plate, a top plate, a control cabinet, an air outlet, a humidifying nozzle, a water receiving basin, an air door system, a water cooling pipe, a fan, an air inlet, a suspended ceiling, an air equalizing plate, a main control temperature probe, a main control humidity probe, a water cooling heat exchanger, an egg vehicle and a backflow temperature probe. The box type incubator is characterized in that the water cooling pipe and the water cooling heat exchanger are installed in the box body of the incubator and the air equalizing plate is added. The box type incubator ensures stable and uniform temperature field and humidity field in the box body, reduces temperature difference of different areas in the box body of the incubator, decreases the high temperature produced by the self-heating of embryo and is beneficial to the improvement of incubation quality; moreover, the energy-saving effect is obvious, the egg capacity of unit building area is large, and the cost is lowered.