The automatic carton thermoforming machine is a fully automatic paper forming machine with the advantages of high speed and convenient operation. This model uses a self-contained hot air generator for single PE coated paper. It is used to produce single-color disposable paper lunch boxes through automatic feeding, heating (with hot air generating device), hot press forming (four corners of bonded lunch boxes), automatic point collection, and microcomputer control. Paper lunch boxes, cake tray, food packaging boxes, etc. Mechanical transmission, speed, energy saving, stability, and easy operation.