The invention provides processing technology for ready-to-eat defatting pettitoes, and relates to poultry processing technology. The processing technology is characterized by comprising the following process steps of: cleaning and disinfection, low-temperature defatting, preserving and steaming, vacuum packaging, high-pressure sterilization and external packaging. The ready-to-eat defatting pettitoes have a unique formula and an aromatic smell and a fresh taste, are not greasy to eat, are very good to human health, can be eaten instantly after the bag is opened and are easily stored. The ready-to-eat defatting pettitoes undergoing vacuum packaging can be stored at normal temperature for 240 to 300 days.