The utility model belongs to the technical field of the agricultural facility, a a device that isolation sunshade was netted and plastic film on was used for plastics hunch canopy is disclosed, be provided with: a plurality of vertical poles, the vertical pole is connected with a plurality of upper chords and lower chord through connecting, install a plurality of pole settings through the joint between the vertical pole, there is the web member through the articulate between upper chord, the lower chord. The utility model discloses can take the well upper portion of encircleing the canopy at plastics, cover the sunshade net above that, separate certain distance, sunshade cooling with the canopy membrane, through connecting firm the connection, equipment convenient and fast between the structure, the vertical pole has 5, does the vertical pole of the top exceed shed roof 40 100cm, with the iron wire for the vertical pole of canopy membrane contact be fixed in encircle shack frame on, guaranteed fastness and cooling effect on encircleing the canopy, the lower chord level is pressed and to be encircleed shed roof portion, with the iron wire for the position of canopy membrane contact be fixed in encircle shack frame on, strengthened the fixity. Use at high temperature season, the cooling effect is showing in the canopy.