The common dosage forms of vincristine are vincristine for injection and vincristine tablets, which can be administered intravenously and orally. 1. Vinpocetine for injection: Since the drug is white loose lump or powder, the main usage is to add 5% dextrose or 0.9% sodium chloride injection and then slowly drip into the vein. 2. Vinpocetine Tablets: Vinpocetine tablets are light pink film-coated tablets, so they should be taken orally after meals, one tablet (10mg) each time, three times a day. It is commonly used to improve the sequelae of cerebral infarction, cerebral hemorrhage, cerebral arteriosclerosis. It is forbidden to use this drug in special groups of people who are allergic to the drug, in the acute stage of intracranial hemorrhage, and with severe ischemic heart disease and serious cardiac arrhythmia. Some patients may experience adverse reactions such as headache, dizziness, nausea and vomiting, and loss of appetite after using the drug. It is recommended that patients use the drug under the guidance of a physician, do not use the drug on their own, and need to consult a doctor regularly to check the blood image during the use of the drug, so as to adjust the dosage according to the changes in the condition.