PROBLEM TO BE SOLVED: To provide an animal invasion prevention fence capable of being arranged according to a shape of an installation plane, thereby preventing efficiently, invasion of animals.SOLUTION: A fence 1 in an embodiment comprises: an isolation net material 30 arranged in a state of being erected on an installation plane and formed by twisting and combining plural linear materials； and fixing materials 40 which are bar-shape, and fix the isolation net material arranged in the erected state on the installation plane to the installation plane. The fixing materials 40 are arranged on the installation plane in a state of contacting a part of the isolation net material 30, and the isolation net material 30 is configured so that, a lower end part 38 of the isolation net material is brought into contact with the installation plane so as to be along the shape of the installation plane.SELECTED DRAWING: Figure 2
