Processing of cuttlebone: cleaning, drying in the sun and mashing into small pieces. Stir-fry cuttlebone: stir-fry cuttlebone blocks with slow fire until they are yellow. Calcination of cuttlebone: put cuttlebone into a pot, calcine until dark brown, take it out and let it cool.
[cuttlefish bone]: cuttlefish bone is the inner shell of sepiidae squid or golden squid. Squid and other inner shells are not used as medicine. Rinse the medicine before processing.