Middle cerebral artery stenosis is an important cause and risk factor of ischemic cerebrovascular disease. Treatment needs to be decided according to the clinical symptoms: 1. Interventional therapy: preferred when the middle cerebral artery stenosis is severe, and can be consulted in the neurointerventional department of regular hospitals, and decided by the doctor according to the examination results; 2. Medication: applicable to asymptomatic patients, and the common medications include antiplatelet and lipid-lowering drugs; 3. Active treatment of diabetes mellitus, hyperlipidaemia, hypertension, and other primary illnesses, which can significantly reduce the onset of cerebrovascular disease.