①Doctors and patients should be familiar with the properties and adverse effects of the drugs used, and try to use less or no hepatotoxic drugs. ②Never use drugs reluctantly when they do not meet the indications of the therapeutic drugs, and use them strictly in accordance with the indications and doses specified in the drug instructions. ③Patients with a history of drug allergy and liver and kidney diseases should be more cautious with drugs and use them as little as possible. ④For those who must use drugs, try to use drugs with less hepatotoxicity among similar drugs, or replace them with other drugs. For those who must use it, it can be used for a short time or alternatively. ⑤ When using new drugs, be sure to regularly check liver function and monitor the occurrence of adverse reactions. When combining drugs, drug interactions should be taken into account to avoid superimposed liver damage.