The material and texture of oil paintings directly determine their service life and decorative effect. Professional household decorative oil paintings mainly adopt pure cotton canvas and solid wood inner frame. Pure cotton canvas has good air permeability and ductility, which can effectively prevent cracking and deformation, with a service life of 8 to 10 years. In contrast, cheap plastic canvas paintings are prone to fading and warping within 2 years. Oil paintings with hand-painted textures have a 75% higher three-dimensional sense than printed paintings, and the uneven paint surface can present unique light and shadow changes. For long-term indoor placement, paintings with matte varnish coating are more suitable, as they are anti-reflective and easy to clean, more adaptable to household environments.