Paclitaxel has a special mechanism of action, which can act on microtubules to block the process of DNA production and division, and play a good role in anti-tumor cell division and proliferation to achieve the therapeutic effect, and the therapeutic field is very wide. It is commonly used in breast cancer, ovarian cancer and lung cancer, especially in breast cancer and ovarian cancer, where paclitaxel is widely used. If patients can tolerate it, paclitaxel can be recommended as the first-line treatment, the first treatment option. For other patients, paclitaxel can be combined with chemotherapy drugs or combined with targeted therapy. There are more anti-tumor drugs and many mechanisms of action, and the combination process often exerts efficacy through different pathways, and different means to stop tumor cell proliferation, division, invasion and metastasis, paclitaxel has good effect, and the combination of some chemotherapeutic drugs or targeted therapeutic drugs has good effect. The therapeutic effect of paclitaxel has been recognized by the industry, especially in breast cancer and ovarian cancer, and paclitaxel is the star natural drug in terms of plant-derived antitumor drugs.