In view of the frequent occurrence of embolism, we should actively carry out etiological examination. Patients with definite diagnosis should receive antithrombotic therapy. The use of antiplatelet preparations alone or in combination has an important preventive effect. The efficacy of stent implantation needs to be further clarified.

2. Education

Actively carry out the continuing re-education of posterior circulation ischemia, especially doctors, update their concepts and knowledge, and no longer use the concept of vertebrobasilar insufficiency. We should strengthen education, correctly grasp the early manifestations of posterior circulation ischemia, and realize early detection and diagnosis. We should correctly understand the risk factors of posterior circulation ischemia and establish a scientific concept of prevention.