Antioxidant stress drugs mainly include Probucol tablets, simvastatin tablets and so on. 1. Probucol tablets: this drug is widely used in cardiovascular diseases, common hyperlipidemia, coronary heart disease, pulmonary hypertension and heart failure, etc. It can also be used in type 2 diabetes mellitus and fatty liver. Common adverse reactions include gastrointestinal discomfort, flatulence and abdominal pain, etc. Patients with severe ventricular arrhythmia and allergy to the components of the drug are forbidden to take it. 2. Simvastatin tablets: the drug can improve the function of the patient’s vascular endothelial cells, resistance to oxidative stress, to increase the patient’s blood flow to the brain. The adverse effects of this drug include mainly gastrointestinal reactions, skin flushing and headache, etc. Pregnant women and lactating women are prohibited from taking it. Patients taking anti-oxidative stress drugs should be under the guidance of a doctor, according to the condition of the symptomatic use, to avoid adverse drug reactions, resulting in serious consequences.