Taking statins does not cause uneven liver parenchyma. Taking statins may cause gastrointestinal reactions, myopathy, impaired liver function and other adverse reactions. 1. Gastrointestinal reaction: patients may experience nausea, constipation, diarrhea, abdominal pain and other unpleasant symptoms. 2. Myopathy: Patients may show discomfort such as rhabdomyolysis, arthralgia, myalgia, myositis. If patients repeatedly experience unexplained weakness, myalgia, and fatigue, they should stop taking the drug immediately, go to the hospital in time, and change the drug under the guidance of the doctor. 3. Impaired liver function: mainly manifested as elevated aminotransferases, the majority of patients with transient elevation of aminotransferases, usually after discontinuation of the drug can gradually decline. Therefore, statins should be taken regularly to monitor liver function, if the transaminases continue to rise and exceed three times the upper limit of normal, should be discontinued or reduce the dose. It is recommended to take statins under the guidance of a doctor, not blindly self-medication to avoid adverse effects.