The best time to stew bird's nest depends on the type of bird's nest. The best time to stew different types of bird's nest is different. Generally speaking, the best stewing time for Guan Yan is 20 to 30 minutes. The optimal stewing time for Huang Yan is 30 to 40 minutes. The optimal stewing time for blood swallow is 60 minutes to 120 minutes. Excessive stewing time will cause the bird's nest to be stewed, resulting in the loss of nutrients and damage to the taste.

1. Mineral water should be used to stew bird's nests. Never use tap water to stew bird's nests.

2. When stewing bird's nest, you should pay attention to the temperature control. Too high temperature will stew the bird's nest.

3. The stewed bird's nest should be stewed in water to control the stewing temperature.