Cuttlebone, also known as cuttlefish bone. The cuttlebone is the bone-like inner shell of sepiidae animals, such as cuttlefish or cuttlefish, which is salty and astringent in taste and warm in nature. Enter spleen and kidney meridians. Function astringent hemostasis, astringent spermatorrhea stopping, acid relieving and pain relieving, dampness eliminating and sore healing. It is mainly used for treating peptic ulcer, stomachache, gastric acid, hematemesis, bleeding in the stool, metrorrhagia and leukorrhagia in women, spermatorrhea and infertility in men, and can also be used for external treatment of injuries, bleeding, carbuncle, swelling, sores and furuncle. There are three processing methods for cuttlebone:

Raw cuttlebone: it is an irregular small bone block, grayish white, light in weight, easy to break, with broken flour and loose layering, with water absorption. Remove impurities, clean it with clean water, dry it in the sun, and smash it into small pieces. This product is good at arresting leukorrhagia, suppressing acid and relieving pain, and is often used to treat wet dream's spermatorrhea, leucorrhea with red and white discharge, stomachache and acid regurgitation.

Stir-fry cuttlebone: take clean cuttlebone pieces, put them in a pre-heated stir-fry container, heat them with slow fire, stir-fry until the surface is yellowish and slightly scorched, and then take them out and let them cool. This product is smelly and astringent, and is good at astringing to stop bleeding, stop leukorrhagia and heal sores. It has better effects on metrorrhagia, leukorrhagia, traumatic bleeding and eczema.

Forging cuttlebone: put clean cuttlebone in a forging pot, forge until the surface is brown, and take it out and let it cool when there is burnt aroma. This product can stop bleeding, stop leukorrhagia, and heal sores better than fried cuttlebone, and has better curative effect on metrorrhagia, leukorrhagia, traumatic hemorrhage and eczema.