Taxol has unique anticancer activities and Taxus cell culture has become one of the most promising alternative methods for obtaining taxol. Three aspects were studied for regulation of taxol metabolism in Taxus cell culture. Firstly, cell proliferation. Factors affecting the proliferation of Taxus cell were studied and the main results were as follows: 1) Plant growth regulators were very important to cell growth. It was proved that the greatest growth rate of cell, 2.517 was obtained with the combination o...