1. Ordinary cleaning , first with a clean soft cloth to clean the dust , and then use soft soap or shampoo solution 1:10 1:20 after wring gently wipe the stain . 2. leather sofa pollution is serious , not only lose their luster, and dirt penetrate into the leather pores . To clean the dirt , we need to clean the sofa with a special steam and special cleaning agents . The sofa steam cleaning sofa , the first in an inconspicuous place to do a test to see whether the fading cortex , such as fade would have to use other methods. 3. Remove the plastic material ( such as chewing gum ) : available ice packs or ice water after cooling , take a fine silk gently wipe off . 4. Remove the ball-point pen or ink marks : Available soft eraser to prevent discoloration may be a few drops of water in a dirty place. 5. Never use alcoholic and corrosive chemical solution . 6. After cleaning , should be given on the sofa layer of protective fluid to prevent dirt again penetrate the cortical pores cause secondary pollution. Protective liquid is best to use leather sofa special liquid soft wax , otherwise the leather will harden rapidly aging .