In accordance with historical records at dwelling and abroad, including Antibiotic Hormone class medicine, and so on. about more than 500 types of usually employed drugs, if employed excessive or prolonged medication may also trigger liver damage. Particularly inappropriate Lianyong more than two drugs, the toxicity will raise. On the other hand, druginduced liver injury and hepatitis A, hepatitis B and so there's some difference, mostly because of inappropriate patient's personal medication, not infectious. Professionals suggest that if druginduced liver damage is mild or moderate, need to cut down or stop taking the original drug, for liver protection therapy. Frequently 1 to 3 months later, liver function may be restored; the event of serious symptoms need to be right away hospitalized.