常用中药青黛,为爵床科植物马蓝Baphica-Canthus cusia(Nees)Bremek、豆科植物野青树IndigoferaSuffruticosa Mill、蓼科植物蓼蓝polygonum tinctoriumAit或十字花科植物菘蓝Isatistinctoria L.的叶或茎叶,经加工制得的干燥粉末或团块。曾多次发现劣质品青黛流入市场,影响临床疗效。目前部分药店、医院因药剂人员技术素质较差,对青黛的质量鉴别与正确服用 Commonly used medicinal plants, Qingyi, are the leaves or stems of Bacillus plants Baphica-Canthus cusia (Nees) Bremek, Leguminosae Indigofera Suffruticosa Mill, Polygonum polygonum tinctorium Ait, or Brassicaceae Isatistinium L. Leaves, dried powder or lumps produced by processing. On many occasions, it has been found that poor quality barley inflows into the market, affecting clinical efficacy. At present, some pharmacies and hospitals have poor quality of the pharmacy personnel, and the quality of the barley is identified and properly taken.