Objective :To study the effects of extract Radix Rubiae to kill cervical carcinoma HeLa Cells. Methods :Observing the effects of extract Radix Rubiae to kill cervical carcinoma HeLa Cells which were cultivated in vitro. Results : Extract Radix Rubiae showed the obvious inhibition on HeLa Cells and the action was depended on time. IC50 was 23. 5μg/ml. Conclusion : Extract Radix Rubiae has the direct cyt...