［Objective/Significance］ Non-food biomass primarily comes from landscape plants（such as wood，cellulose，etc.），and it boasts advantages including low carbon emissions，a wide range of sources，and environmental friendliness. Utilizing this type of biomass to produce resins can not onlyreduce reliance on limited petroleum resources but also avoid the issue of grain consumption associatedwith food-based biomass.［Analysis/Discussion/Progress］This paper focuses on the current researchprogress of non-food biobased resins for coatings and raises the existing issues of high production costs， performance limitations and poor stability difficulty in large-scale production，and inconsistent quality.［Conclusion/Prospect］Research on non-food bio-based resins for coatings should focus on specific aspects，including the development of new biomass raw materials，performance tailoring of resin/nanocomposite materials，and methods to enhance performance such as blending with other resins or chemical modification.