Water transfer printing of wood grain can be applied to the decoration and beautification of doors and windows in the industry. Through water transfer printing technology, various natural wood grain, floral patterns and other designs can be transferred onto the surface of doors and windows, enhancing their appearance and decorative effect. In addition, water transfer printing of wood grain can also increase the durability and stain resistance of doors and windows, improve production efficiency and processing accuracy. However, when using water transfer printing technology, it is important to select suitable materials and processes to ensure the quality and safety performance of doors and windows.