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Oil resistance is a core functional indicator for food packaging paper, fast food carton paper and industrial oil-proof lining paper. In daily catering packaging and industrial oil pollution scenarios, ordinary paper has loose micro-pore structure, which cannot block the penetration of grease molecules. Liquid oil and fat will quickly infiltrate along paper fiber gaps, causing paper softening, seepage leakage, structural collapse and oil stain residue. Poor oil resistance not only damages packaging integrity and causes food contamination, but also leads to waste of packaging materials and environmental pollution. Most traditional oil-proof treatments rely on single fluorine-containing coatings, which have poor environmental friendliness, easy coating peeling, and fail to meet food contact safety standards. Some plant-based oil-proof formulas only have short-term surface isolation effect and cannot resist long-term grease infiltration and high-temperature oil immersion erosion, resulting in rapid failure of oil-proof performance. Shandong Ludao Energy Technology Co., Ltd. launches environmentally friendly paper oil resistance upgrading solutions. By building a dense plant-derived oil-isolation molecular network inside and on the paper surface, we effectively block the penetration and diffusion of grease molecules without blocking basic air permeability. The modified paper maintains stable structural strength under long-term oil immersion, avoids oil seepage and deformation, complies with food-grade safety and environmental protection standards, solves the durability problem of traditional oil-proof paper, and provides reliable oil-proof protection for food packaging and industrial anti-oil pollution scenarios.