There is no clinical research proving that Bai Hu Tang can treat breast cancer. Bai Hu Tang is a heat-clearing agent for Qi division composed of Gypsum, Zhi Mu, Glycyrrhiza glabra and round-grained rice, with the main effect of clearing heat and generating fluids, and the main indication is heat exuberance of Qi division, which is often manifested by symptoms of strong heat and red face, irritable thirst and drinking. This formula is contraindicated in patients with unresolved surface and fever without sweating. Its adverse reactions are not clear. Breast cancer generally refers to breast cancer. Breast cancer is a kind of malignant tumor occurring in breast area, which can be caused by endocrine disorders, heredity and other factors. The main symptoms can be seen as breast lumps, cellulite-like changes in breast skin, etc. Clinical treatments include medication, surgery, chemotherapy and so on, and Chinese medicine is mostly used as adjuvant treatment. If diagnosed with breast cancer, one should go to the hospital in time and actively cooperate with the doctor’s treatment plan, and do not take drugs blindly by oneself.