Ginkgo biloba oral solution can improve the patient’s heart, cranial and cerebral blood supply insufficiency and other symptoms to a certain extent, usually used for coronary heart disease, cardiovascular and cerebrovascular ischemia and other related diseases. Brain metastasis of lung cancer can take Ginkgo Biloba Oral Liquid. Ginkgo Biloba Oral Liquid can expand coronary arteries as well as cerebral arteries, increase the blood supply of heart and brain, and strengthen the blood flow of microcirculation, and there is no evidence of the correlation between this drug and tumor. The drug may be used to improve blood supply in the treatment of tumors complicated by organ ischemia. The adverse reactions and contraindications of Ginkgo Honey Ring Oral Liquid have not been clarified. The prognosis of brain metastasis of lung cancer is poor, and the purpose of treatment is to alleviate the symptoms and prolong the survival period, so the drug should be used in accordance with the doctor’s prescription, avoiding self-medication.