The utility model relates to an eclosion device, which comprises a transparent casing (1), wherein a through opening (2) is arranged at one end of the casing (1), the other end of the casing (1) is provided with a feeding opening (3), a reticular cover (4) is movably connected onto the feeding opening (3), and the through opening (2) is connected with a collection bottle (9) through a connecting pipe (8). The casing of the eclosion device is transparent, is beneficial to the light illumination and is convenient for observing the insect eclosion process, the reticular cover is connected onto the feeding opening of the casing, the ventilation is convenient to carry out, and the reticular cover is movably connected with the feeding opening and can be taken down at any time so that target insects or objects in the eclosion device can be regulated.