Conclusion: The chemotaxis wandering ability of patient with blood stasis symptom is improved, and can be reduced by protocatechualdehyde.
结论：瘀血证患者单核细胞趋化游走能力增强，原儿茶醛能降低瘀血证患者的单核细胞趋化游走能力。
2
P<0.01. Protocatechualdehyde can reduce the chemotaxis wandering ability of monocyte of patients with booel stasis symptom(P<0.01)and healthy people(P<0.05).
原儿茶醛能显著降低瘀血证（P<0.01）及健康人（P<0.05）外周血单核细胞趋化游走能力。
3
Methods By means of UPLC, apply factorial experiment design to investigate overall the changing rule of the contents of salvianolic acid B, tanshinol, protocatechualdehyde and etc.