Material preparation: bird's nest 10g, bowl, purified water or distilled water, tweezers, etc.

1,10g of broken swallow is poured into a clean bowl, and purified water or distilled water is added.

2. That's it.

3. soak this for 2 hours.

4. Wash and soak for two hours.

5. Pick out sundries with tweezers. The broken face I bought this time is fairly clean. I cleaned it again.

6, add pure water, no more than one centimeter of bird's nest, the fire began to stew across the water, and after the water boiled, the fire turned into a small fire.

7, simmer for half an hour.

8. Don't stir at this time. Let it cool naturally, put it in a small bottle, put it in the refrigerator, eat a spoonful every day, and add rock sugar, honey or milk.