Cuttlebone is the egg sheath of Mantis, family Mantisidae, which can be used as medicine, with the effect of fixing semen and shrinking urine (consolidating semen and urine, preventing random leakage), tonifying the kidney and boosting yang. It is sweet, salty and neutral in nature, and belongs to the liver and kidney meridians. It has the efficacy of consolidating semen and shrinking urine, tonifying the kidneys and helping the yang, and can be used to treat symptoms such as seminal emission and slippage, frequent urination and leucorrhea, leucorrhoea (turbidity of urine like white slurry), and impotence, etc., which are caused by kidney yang deficiency. Adverse effects of Sangjunxiao are not clear at this time. Note that it is forbidden to use for those who are allergic to this product, allergic people should take it with caution, and people with yin deficiency and fire (deficiency of yin and essence in the body, with the appearance of hyperactive deficiency fire) or with dampness and heat in the bladder should take it with caution. If you need to use this product, you should be under the guidance of a physician, do not blindly use the drug on your own, so as not to cause adverse reactions.