1, put the swallow cup into a bowl and add cold boiled water or pure blisters. 2. Slowly, the bird's nest becomes soft. 3, wait for about 2 hours, gently tear with the texture of bird's nest, don't pull open the position, continue to soak. 4. After soaking for 4 hours, the bird's nest was obviously filiform. At this time, you can use tweezers to remove impurities and filter the water twice. 5. Put the soaked bird's nest in a bowl, add cold boiled water or purified water (water does not exceed bird's nest 1~2 cm) and steam it in water. The bird's nest needs to be steamed separately, and the auxiliary materials can be put in another bowl to start stewing. 6. In about an hour, the bird's nest was stewed. Bird's nest is blended with auxiliary materials and can be eaten. Yuan suggested eating 3-5 grams of bird's nest every time, once every other day. The best effect is to eat it on an empty stomach in the morning or before going to bed at night.