1. Shark's fin soaking (large) method: soak shark's fin in clear water for about five hours, boil half of the water in a rice cooker, cook shark's fin with a lemon or an orange in the pot for about 20 minutes, then turn off the fire, turn on the heat preservation system, let shark's fin soak in the rice cooker for about three hours, and then replace it with clear water for two hours. If the shark fin is thin, the water outlet time can be shortened to half an hour accordingly.

2. Soak shark's fin in clear water for about five hours, put it in a clear water pot for half an hour, put the shark's fin in the pot together to make it smell, cook for about 20 minutes, then turn off the fire, don't lift the lid, let the shark's fin freeze in the pot, then soak it in clear water for three hours, repeat the above process once or twice until the shark's fin is enough, and then soak it in clear water for three hours, which is ready for use (the last time, if the shark's fin is thin,

There are many kinds of shark fins, but the cooking methods are basically the same. There are many grades of shark fin, the highest is Tianjiu wing, others are: sea tiger, golden hook, spring wing, butterfly green and so on. The second one is the spinous wing.