1, take out a piece of dry shark fins into the container (do not use iron or copper pot, otherwise the fins will produce yellow spots), add water and boil for 5 minutes, turn off the fire, soak until the fins rise, during the period of time to diligently change the water;

2, the shark fins become soft and take out, scrape off the surface of the whitish layer of a knife, actually for the removal of the sand, with scissors to cut off the fins with the body of the fish connected to the residual parts of the meat;

3, with the Rice cooker will boil the water, put the shark fins, cover, cook for about 1 and a half hours, until the fins are separated;

4, the shark fins, remove the fish bones and rotting meat, rinse repeatedly with water several times, and then use a clean cloth will be wrapped in shark fins, blanch with boiling water and fished out to be used, at this time, the shark fins soak finish.