Domestic food waste has the characteristics of high oil content and high organic matter content,so it has high value in recycle.Pulping is the mature technology in food waste treatment,which can separate organic matter and oil from food waste,of which mechanical pulping is popular.In recent years,with the development of hydraulic pulping,there is another process to chose for food waste projects.The treatment process should to be selected based on the characteristics of food waste in different regions.The characteristics of the above two pulping processes were compared to further explore the adaptability of different processes for food waste.