The risk of ischemic stroke in patients with gastric cancer is increased, while the cancer-related ischemic stroke is different from common cerebral infarction, the pathogenesis is considered to be different too. Research on cancer-related ischemic stroke increased year by year. In this paper, the clinical characteristics of gastric cancer-related ischemic stroke and potential mechanism of cerebral infarction as well as biomarkers were reviewed, aimed at raising the awareness of gastric cancer-related ischemic stroke.