1. Wipe with a clean cloth moistened with a disinfectant; 2. Let it dry and place it on a ventilated balcony regularly; 3. The drying time does not need to be too long; 4. Heat-resistant wooden toys: You can boil in boiling water for about 10 minutes, or you can use 75% alcohol, 0.2% peracetic acid solution to treat the toys; 5. Using a clean cloth to wipe the bricks. Don't use too much force so as not to blur the image of the bricks. 6. Don't flush with water: as the wooden building blocks, they will expand and deform after encountering water; 7. Cann't be wiped with alcohol and wipes.