This invention relates to a composition derived from Chinese herbal medicines, medicinal plants and extracts thereof, and to its use for preventing cancer and treating cancer and intensifying the effects of other anticancer drugs.More specifically, the composition of the present invention is derived from various Chinese herbal medicines or medicinal plants which have a long history of human consumption. The composition of the invention is obtained through specific techniques and has revealed good cytotoxicities on Malignant Melanoma Cells, Prostate Cancer Cells, Colon Cancer Cells, Lung Cancer Cells, Stomach Cancer Cells, Breast Cancer Cells and Liver Cancer Cells. The composition of the invention has also revealed obvious intensifying the effects of other anticancer drugs. Cancer presents special problems to the medical community which the present invention addresses.本發明係有關於來自中草藥、藥用植物及其萃取物之組合物,一種用於預防癌症及治療癌症及增強其他抗癌藥物效果之組合物。更特定言之,本發明組合物係來自具人類長期消費史之各種中草藥或藥用植物。本發明組合物係經由特殊技術而得且於細胞毒殺試驗中顯示出對惡性黑色素瘤細胞、前列腺癌細胞、大腸癌細胞、肺癌細胞、胃癌細胞、乳癌細胞及肝癌細胞均具有良好的毒殺癌細胞活性。此外並可明顯地增強其他抗癌藥物效果。而癌症對醫藥團體提出了特殊之問題,其為本發明所專注的。