Drugs to protect blood vessels include antihypertensive drugs, lipid-lowering drugs, vasodilator drugs and so on. 1. Antihypertensive drugs: commonly used drugs are nifedipine extended-release tablets, nifedipine tablets, amlodipine benzenesulfonate tablets, etc. They can effectively reduce blood pressure and maintain the elasticity of blood vessels to protect blood vessels. They can effectively reduce blood pressure and maintain the elasticity of blood vessels to protect blood vessels. Common side effects include nausea and dizziness. 2. Lipid-lowering drugs: such as acipimox capsules, simvastatin tablets, fenofibrate capsules and other drugs. They can lower the level of blood lipids in blood vessels and reduce the risk of atherosclerosis and other risks in order to protect blood vessels. Common side effects include facial flushing and hot flashes. 3. Vasodilator drugs: common nitroglycerin, phentolamine mesylate tablets and other drugs, can dilate blood vessels, reduce peripheral vascular resistance, protect blood vessels from being blocked to protect blood vessels. Common side effects include diarrhea and nausea. 4. Anticoagulant drugs: common drugs are aspirin enteric-coated tablets, clopidogrel bisulfate, etc., which can anti-platelet aggregation, effectively prevent intravascular thrombosis, so as not to block the blood vessels to protect blood vessels. Side effects often include diarrhea, dizziness and other symptoms. The use of drugs should follow the doctor’s instructions, if there is any adverse reaction, it is recommended to go to the hospital, and actively cooperate with the doctor’s treatment.