A smart wastes grab overhead crane (Email: weihua@craneweihua.com) working flow: 1. Wastes incoming monitoring; 2. Garbage dump scan; 3. Safe area protection; 4. Crane traveling in the safe area; 5. Grab and lift wastes automatically; 6. Automatic mixing of new and old wastes; 7. Automatic evenly releasing wastes; 8. Receiving feeding instruction; 9. Automatic to feeding; 10. Automatically run to the feeding port; 11. Automatic feeding; 12. Crane Automatic parking.