The invention discloses a sound net automatic film coating and adhesive tape pasting device which comprises a controller, a sound net discharging module, a bottom film discharging module, a bottom film guiding groove, a sound net cutting module, a sound net carrying module and an adhesive tape carrying module. The bottom film discharging module is arranged behind the bottom film guiding groove toguide a bottom film into the bottom film guiding groove, the sound net cutting module is arranged in front of the sound net discharging module for sound net cutting, the sound net carrying module is arranged in front of the sound net cutting module and carries a cut sound net to a bottom film in the bottom film guiding groove, and the adhesive tape carrying module is located on one side of the bottom film guiding groove and pastes cut adhesive tape to the two sides of the sound net on the bottom film for fixing the sound net. In this way, according to the sound net automatic film coating and adhesive tape pasting device, the structure is compact, work efficiency is greatly improved, and unmanned production is basically achieved.