Background:
Traditional Chinese medicine (TCM) becomes increasingly used in clinic because of the unique efficacy [1]. However, TCM also is one of the leading causes of drug-induced liver injury (DILI), which has been highly raised. TCM account for approximately 26.81 % of all DILI from 2012 to 2014 at 308 medical centers in mainland China [2,3]. Corydalis yanhusuo W.T. Wang (YHS) is a well-known Chinese flowering herbal plant commonly used for centuries in functional food and TCM [4]. kedaling tablets is an extract of YHS, the main active components are dehydrocorydaline, which has been approved for the treatment of coronary heart disease, angina pectoris, myocardial infarction. kedaling tablets have been extremely well tolerated by most patients, drug-induced liver injury has been infrequently described.