The two most common types of lipid-lowering drugs for hyperlipidemia are statins and fibrates, and the most common adverse reactions to these two types of drugs are twofold: 1) Liver function abnormalities, liver function abnormalities need to be tested for liver function, and it is recommended that the drug be discontinued or changed if the alanine aminotransferase and glutamic oxalate aminotransferase are elevated by more than 3 times of the normal level; 2) Muscle pain, and the most serious adverse reaction is rhabdomyolysis, but the incidence is relatively high. Pain, we must consult a doctor in time, go to the hospital to check the cardiac enzymes, if the cardiac enzymes are abnormal, it is also recommended to stop the drug, the most serious adverse reaction of myalgia is rhabdomyolysis, but the incidence is relatively small, so if you take lipid-lowering drugs must be regularly rechecked liver function, and the emergence of adverse reactions in a timely manner to the regular hospital.