First of all, brew the coffee with boiling water, dip the coffee with a cotton swab, and gently smear it on the scratch; If it is lacquered furniture, it can be easily removed with clear nail polish. You can also dip cotton in water, then squeeze the water dry, spread the cotton on the scratch, and finally iron it at the appropriate temperature for a few times, the scratch will naturally disappear; Or use the same color of plasticine as the furniture, rubbing back and forth scratches will also disappear