Medicament for treating cancer and preparation method thereof

The invention relates to a medicament for treating cancer and a preparation method thereof. The medicament comprises the following raw materials in the following contents in a formula: 19-35 g of compositae mikania, 25-35 g of radix pandani tectorii, 25-39 g of Indian rorippa herb, 9-15 g of rhizome of canereed spiralflag, 9-19 g of wikstroemia indica, 19-25 g of rubus alceaefolius poir, 25-39 g of clerodendrum japonicum, 25-39 g of hedyotis diffusa, 25-39 g of sculellaria barbata, 29-45 g of acanthus ilicifolius, 9-19 g of bighead atractylodes rhizome, 28-45 g of livistona chinensis, 19-23 g of sargentgloryvine stem, 15-23 g of paris polyphylla, and 15-23 g of herb of ghostplant wormwood. The medicine disclosed by the invention has the functions of clearing away heat, detoxifying, eliminating stagnation, relieving water retention, dispersing blood stasis, inducing diuresis, expelling wind-damp, clearing away lung heat, expelling pus, detoxifying, stimulating menstrual flow, eliminating stagnant blood, regula