Do not attempt to destroy it yourself if the nest is large, hidden, or hard to reach
Keep people and pets away from the area
Observe the nest from a safe distance to confirm hornet activity
Contact a licensed pest control professional for removal
If you must act on a small nest, do so only at night when hornets are less active
Wear full protective clothing, including gloves, long sleeves, pants, boots, and face protection
Use a hornet-specific aerosol spray labeled for nest treatment
Follow the product label exactly
Stand at the recommended safe distance
Spray the nest entrance thoroughly
Leave the area immediately after treatment
Do not stand under the nest while spraying
Do not use fire, gasoline, or other flammable materials
Do not hit, shake, or disturb the nest
Wait the label-specified time before checking the nest
Repeat treatment only if the label allows and activity remains
Remove the nest only after all activity has stopped
Seal entry points and remove attractants to prevent rebuilding
If anyone is stung and has trouble breathing, swelling, or dizziness, call emergency services immediately