Boron medicine can treat head and neck tumors, breast cancer, and liver cancer. Boron medicine is boron neutron complex therapy, that is, by injecting patients with non-toxic and harmless boron containing drugs, letting them work on the inside of specific cancer cells, and then irradiating them with neutron rays, which are less damaging to the human body, to release heavy ion rays to kill the cancer cells. Boron drugs can be used in the treatment of head and neck cancers, such as brain cancer and nasopharyngeal cancer, as well as liver cancer and breast cancer. However, it is not suitable for everyone, such as patients with deep tumor lesions, accompanied by distal metastases the latter is vascular infiltration, are not suitable for this means, and the technology has not been marketed in China. The choice of treatment needs to be made under the evaluation of doctors.