2. Pour mineral water into the basin, add ginger slices, and soak the gum for about 2 hours.

3. After soaking, take it out and steam it. The plate should be water-free and oil-free. Steam on high fire 10 minute. Don't open the lid, cover it again and let it sit for 10 minutes. This step is very critical, depending on whether the flower glue can be foamed bigger.

4, steamed out and then soaked, add lemon, add some ice cubes is best. Because ice cubes can quickly cool down, the collagen that locks the glue is not lost. Then put it in the cold room of refrigerator 12 hours, during which the water should be changed several times and purified water should be used.

5. Next, take it out and check the foam of the glue. There is no yellow in the middle layer, which means that it is completely steamed and well developed (if you want to soak the flower gum, you can extend the swelling time appropriately and soak it for 1-2 days. It is easy to lose collagen when the foam grows long.