目的 对日照市精神卫生中心第二类精神药品的使用情况进行分析，为临床合理用药提供参考。方法 采用回顾性调查方法，对日照市精神卫生中心2014—2016年第二类精神药品的用量、销售金额、用药频度（DDDs）、限定日费用（DDC）和排序比（B/A）等进行统计分析。结果 2014—2016年使用的第二类精神药品有9个品种，其中苯二氮 类药物有7种，新型非苯二氮 类有2种。药品销售金额逐年增加，第二类精神药品的构成比呈逐年下降趋势。氯硝西泮片的用量及销售金额排前列，且连续3年DDDs排第1位。佐匹克隆片的DDDs呈逐年上升趋势，苯二氮 类药物DDC值稳定且小。佐匹克隆片的B/A逐年增加并逐渐接近于1。结论 日照市精神卫生中心第二类精神药品以苯二氮 类药物为主，临床应用基本合理。

Objecttive To analyze the application of type Ⅱ psychotropic drugs in Psychiatric Mental Health Center of Rizhao, and in order to provide reference for clinical rational use of drugs. Methods By a retrospective study, consumption amount, consumption sum, frequency of drug use (DDDs), defined daily cost (DDC), and sequence ratio (B/A) of type Ⅱ psychotropic drugs in Psychiatric Mental Health Center of Rizhao from 2014 to 2016 were statistically analyzed. Results There were nine type Ⅱpsychotropic drugs used from 2014 to 2016, including seven benzodiazepines drugs and two new type of benzodiazepines. Consumption sum of all drugs increased year by year, but the constituent ratio of typeⅡpsychotropic drugs decreased year by year. The consumption amount and consumption sum of Clonazepan Tablets were located in the forefront, and DDDs of Clonazepan Tablets also occupied the first place in the list of DDDs. There was an upward trend in DDDs of Zopiclone Tablets. DDC of benzodiazepines drugs was stable and small. B/A of Zopiclone Tablets increased year by year, and it was near to 1. Conclusion Benzodiazepines are primarily used in typeⅡpsychotropic drugs, and their application is basically reasonable in Psychiatric Mental Health Center of Rizhao.