It is normal to stew bird's nest for 2 hours without water. At this level, the water may be lost almost, and it is normal to have a strong taste. As for the fishy smell, the fake bird's nest is not objective.

The identification of true and false bird's nest is easy to identify in dry state and in the process of soaking hair. It is best to compare the real pure bird's nest or related photos, otherwise it is difficult to imagine abstractly.

At present, there are many drug residues in bird's nest (high concentration industrial hydrogen peroxide contains heavy metals such as arsenic, lead and mercury), especially blood swallow (more than 95% is fumigated by feces). Before buying bird's nest, it is recommended to know that the water in this industry is still relatively deep. Various businesses have different opinions. It is suggested that you can enter reports from third parties such as "Blood Swallow You Don't Know" and "Revealing the Word of Bird's Nest Industry" in Baidu to get more real information.