To provide a passage for continuously and speedily guiding a lot of animals such as pigs to a swoon field while keeping efficiency and without injuring them.

Concerning a passage 1 for guiding the animals to the swoon field such as an anesthetic device 5, this passage is provided with side walls 3 and 4 on both the sides, wagons 9 and 10 guided along with the side walls 3 and 4 and reciprocatively moved in respective blocks while dividing the lengthwise direction into two areas A and B, and lift gates 13 and 14 for moving down when moving the wagons 9 and 10 forward to the anesthetic device 5 so as to guide the animals moved together with the respective wagons 9 and 10 by pushing them. Besides, the area B adjacent to the anesthetic device 5 can be constituted for manually guiding the animals as well.