To easily prevent the infiltration of mosquitoes, bees, etc., in the state of holding windows and doors open in order to obtain a cool breeze without requiring a tent when the inside of a vehicle is used for resting, sleeping, etc., in the outdoor, etc., by forming this film of a perforated film having the area of one mesh, the weight of the net and the number of meshes within prescribed value ranges.

The vehicle insect repellent perforated film 1 for the outdoor is formed of the perforated film of 9×10-4 to 2.5×10-1 cm2 in the area of the one mesh, 5 to 1000 g/m2 in the weight of the net and 1×102 to 1×107 pices/m2 in the number of the meshes. While the insect repellent net consisting of such perforated film 1 may be obtained by methods of obtaining pores (meshes) which are any methods, such as blanking and lancing a film-like material, such as a nonwoven fabric or film, dissolving and melting, in addition to a mesh production process by a knitting machine, a woven fabric mesh is more preferably. The method of putting the insect repellent net on the vehicle 4 and fixing the same includes a method of fully covering the vehicle 4 from above and fixing the ends led to the ground surface while providing the net with slopes by using suitable pins 3 or the stones and timber available on site, etc.