The automatic rotary egg carton production line is composed of a pulping system, forming system, drying system, stacking system, vacuum system, high pressure water system and an air compressor system. It is specially used to produce egg cartons. (10cells,12cells,15cells,18cells egg cartons). Using waste paper such as waste newspaper, waste carton paper, office paper, scrap and other materials as raw materials, a slurry is prepared with a certain concentration through hydraulic crushing, filtration, water injection and other processes, and is vacuumed on a special metal mold by a forming machine. It is absorbed into a wet billet, dried by a drying line, hot pressed on the line and then stacked.