Ruscogenin exerts significant anti-inflammatory and anti-thrombotic activities.Ruscogenin significantly attenuates LPS-induced acute lung injury (ALI )via inhibiting expressions of TF and iNOS and NF-κB p65 activation, it inhibits activation of neutrophil through cPLA 2 , PAK, Akt, MAPKs, cAMP, and PKA signaling pathways.