Question: how to import kmz file into autocad?
Answer: Step 1: Open Google Earth and create a placemark, path or polygon, or simply load an existing KML/KMZ file. ... 
Step 2: Right-click on the polygon, and select “Copy” ... 
Step 3: Open your AutoCAD drawing, right-click and select “Clipboard” → Paste, or simply press Ctrl-V.