1, crispy waves are made of flour in cold weather and are rich in dietary fiber, so they are known as "bird's nest at sea". At the same time, it was designated as healthy food in the 20th century by FAO. In the winter of Edo period, people found that dried seaweed placed outdoors had solidification characteristics, so it was named "cold day", which is what Chinese medicine called "agar gel".

2. Natural and healthy, low in calories, and will not lead to obesity due to excessive sugar intake. In addition, it can also help lower blood sugar and increase satiety. Making "cold weather" into a "crystal ball" and adding it to drinks can improve the taste of drinks.