It is well known that cerebral infarction is prone to recurrence, and for this reason many patients believe that 1 infusion every six months can prevent the recurrence of cerebral infarction, and many doctors also recommend it to their patients. However, it is actually not clear whether regular infusion has any effect. First of all, medicine has now entered the era of evidence-based medicine. To date, there is no evidence from evidence-based medicine that regular infusions can prevent cerebrovascular disease. Secondly, there is a wide variety of drugs that are regularly infused, including salvia, vincristine, lanosterin, and chuanxiongzin, etc. It is difficult to understand that all these different drugs have the same preventive effect. Moreover, drugs have their half-life and are effective for a very limited period of time. To prevent cerebrovascular disease with infusions for half a year or even once a year is surely a self-deceptive trick. If patients also feel that this is reliable, they are bound to relax other preventive measures and control of risk factors, tying their fate to a nebulous world and losing the opportunity to grasp their fate, which is extremely dangerous for them. Finally, the prevention of cerebrovascular disease is comprehensive, and its core is the discovery and removal of various risk factors, and this treatment to remove risk factors should be a lasting rather than a short-lived act. For an individual, having 1 or more risk factors does not predict that a patient will definitely develop cerebrovascular disease, and similarly, the lack of currently known risk factors does not predict that a patient will not develop cerebrovascular disease. However, there is positive evidence that controlling risk factors certainly reduces the incidence of cerebrovascular disease in the population as a whole.