The utility model discloses a parasite egg collecting device. The device comprises a worm egg collecting barrel, a sieving piece and a sampling piece, wherein the egg collecting barrel is a cylindrical barrel with an opening; an inverted-cone-shaped collecting part is arranged in the barrel bottom of the egg collecting barrel, the screening piece is arranged in a barrel body of the egg collectingbarrel and is parallel to the barrel bottom face of the egg collecting barrel, and the sampling piece is arranged over the screening piece and is fixedly connected with the outer edge of an opening ofthe egg collecting barrel. According to the utility model, excrement is sampled at the earlier stage; the sampling piece is sealed in the worm egg collecting barrel, so that transportation, storage and inspection are facilitated, meanwhile, in the process of treating the excrement sample piece in the later period to obtain the worm egg sample, cooperation of various experimental apparatuses is not needed any more, operation only needs to be conducted in the collecting device, and the whole process is clean, sanitary, simple and convenient.