Wingless Cockroach Classic Formulas

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Breaks up blood stasis and dispels accumulations - Tu Bie Chong is a strong blood-breaking medicinal used for amenorrhea, fixed abdominal masses, postpartum stasis pain, and other entrenched stasis disorders that gentler movers may not resolve.
Relieves pain caused by obstructive blood stasis - its traditional sphere includes stubborn menstrual pain and focal pain with hardness or palpable mass.
Reconnects sinews and bones after traumatic injury - beyond gynecologic and mass-dispersing use, it is classically valued for fractures, contusions, and tissue damage where stasis prevents recovery.

Da Huang Zhe Chong Wan - one of the defining classical blood-stasis formulas for chronic stasis with abdominal fullness, emaciation, or fixed masses.
Xia Yu Xue Tang - classical postpartum or lower-abdominal blood-stasis formula logic in which strong stasis-resolving herbs are required.
Trauma and fracture formulas using Tu Bie Chong with Gu Sui Bu or Zi Ran Tong - traditional pairing logic for sinew-bone repair after injury.

Modern TCM summaries place Tu Bie Chong among the strongest blood-stasis-breaking medicinals and emphasize amenorrhea, palpable masses, and traumatic injury as the core indications.
The Jin Kui Yao Lue formula tradition is especially important for this herb, particularly Da Huang Zhe Chong Wan and related stasis formulas.
Later materia medica also preserve the 'joins sinews and bones' reputation that keeps the insect relevant in trauma and fracture discussions.