Dragon's Bone, Fossilized Bone Classic Formulas

Primary Actions

Calms the spirit and settles agitation - Long Gu is classically used for insomnia, fright, anxiety, and palpitations when the spirit is unanchored.
Anchors floating Yang and subdues restlessness - it is used when dizziness, irritability, or agitation arise from upward disturbance that needs a heavy settling mineral.
Astringes leakage - unlike Long Chi, Long Gu is strongly associated with spontaneous sweating, seminal leakage, uterine discharge, and other patterns of instability.

Gui Zhi Jia Long Gu Mu Li Tang - classic formula for deficiency agitation, dream-disturbed sleep, and seminal leakage with an unanchored spirit.
Long Gu with Mu Li and Suan Zao Ren - common spirit-calming and leakage-securing combination logic for insomnia and spontaneous sweating.
Long Gu with Fu Shen and Yuan Zhi - traditional approach when palpitations and fright predominate.

Traditional materia medica describe Long Gu as sweet, astringent, and neutral, entering the Heart, Liver, and Kidney to calm the spirit and astringe leakage.
Its use in formulas such as Gui Zhi Jia Long Gu Mu Li Tang highlights the combination of shen-settling and stabilizing actions that defines Long Gu.