A kind of taxane medicine solution, preparation method, the composition containing the solution and pharmaceutical composition packaging. The drug solution contains taxone, pH adjusting agent and solvent, and wherein pH adjusting agent is water soluble acid.一種紫杉烷類藥物溶液、其製備方法、含有該溶液的組合物及藥物組合包裝。所述藥物溶液含有紫杉烷類藥物、pH調節劑及溶劑,其中pH調節劑爲水溶性酸。