In line with historical records at residence and abroad, such as Antibiotic Hormone class medicine, etc. about greater than 500 sorts of normally used drugs, if used excessive or prolonged medication may possibly also bring about liver harm. Particularly inappropriate Lianyong greater than two drugs, the toxicity will increase. Nonetheless, druginduced liver injury and hepatitis A, hepatitis B and so there is some distinction, mainly because of inappropriate patient's personal medication, not infectious. Experts suggest that if druginduced liver harm is mild or moderate, should lower or quit taking the original drug, for liver protection therapy. Normally 1 to three months later, liver function is often restored; the occasion of serious symptoms should be right away hospitalized.