First wash the fish maw, then tear off the two dirty membranes inside and outside the fish maw, and then dry it. The natural green drying method is to dry it in the sun. During the drying process, fish oil will continue to seep out. Yes, we have to use oilcloth to absorb the fish oil several times a day. Isinglass will slowly turn yellow when it is dried. As the storage period increases, it will become more and more yellow, and finally it can become a dark golden color like old jade. During the storage process of isinglass, the nutrition will change. The storage process is actually a process of nutrient precipitation, which can evolve into some rare substances that are very beneficial to the human body but are not contained in normal fresh food. In fact, many supplements become more and more That's why it's more expensive. Fish maw is difficult to digest and has a strong fishy smell, making it difficult to store and transport over long distances. Isinglass is easy to digest and absorb, and the longer it is stored, the lighter the fishy smell, and can be stored for a long time. Eating a kind of isinglass means eating a kind of fish. We may not be able to eat fish that are far away from us, but we can eat its isinglass. You can find a company called Dazhong Shibu on the Internet such as Taobao. The isinglass produced by this family is the original product collected from the place of production and is very cost-effective. You can save a lot of money by buying isinglass from them, and they will also teach you how to make it. Eat it, what is the effect of eating it, and how to store it.