Cuttlebone general dosage of 5~10g, temporary cuttlebone side effects and toxicity is not clear, but it should be noted that, cuttlebone yin deficiency and more heaters should not be served more, long time to serve easy to cause constipation; cuttlebone should not be used with appendicitis, Ampelopsis, honeysuckle. Cuttlebone belongs to the astringent medicine in the solid essence shrink urine (consolidation of semen and urine, to prevent random leakage), stopping the band medicine, the family for the squid family of animals without needle squid or golden squid dry inner shell. Cuttlebone is salty, astringent and warm; it enters the kidney meridian and spleen meridian. Cuttlebone can be used internally and externally. Cuttlebone has the efficacy of astringent to stop bleeding (using drugs with astringent effect to treat bleeding disorders), astringent to stop leucorrhoea, suppressing acid to stop pain (inhibiting gastric acid to alleviate pain), collecting dampness and astringent to sores, and is used in the treatment of vomiting blood and epistaxis, excessive menstruation, blood in stools, bleeding from traumatic injuries, spermatorrhea and spermatoglycerin, aberrant leucorrhoea, stomach ache, eczema and wet sores, and ulcer without astringency. Adverse effects of cuttlebone are not known. Cuttlebone is contraindicated for those with a history of allergy to cuttlebone. If needed, please use under the guidance of a professional Chinese medicine practitioner.