System composition of automatic packaging line for carbon fiber ingot: 1. Wire spindle and wire cart cache Library: wire spindle and wire cart plane cache library / line edge vertical library. 2. AGV intelligent dispatching and handling system: AGV automatic intelligent dispatching and handling in and out of the warehouse, silk cart up and down packaging line. 3. Automatic packaging line line a: automatic feeding of wire spindle robot, weighing of wire spindle, scanning of wire spindle code, interactive uploading of RFID information, bagging heat shrinkage, automatic sorting, and packing of truss manipulator; Automatic packaging line line B: carton automatic unpacking, expanding and supporting, putting down the clapboard, wire ingot packing (docking with line a), putting on the clapboard, weighing the whole box, box labeling, sealing, tape beating, scanning and robot stacking; Automatic packaging line line C: automatic disassembly of wooden pallets, RGV automatic empty support, RGV transfer of whole stack of materials (docking with line B), whole stack of film wrapping, stack label, RGV transfer buffer, and manual electric forklift. 4. Configure cache library software management system and automatic packaging line MES system.