桂龙咳喘宁胶囊系《卫生部药品标准》 (新药转正 )第五册收载的品种 ,具有止咳化痰、降气平喘功能。方中桂枝为君药 ,其主要成分之一肉桂酸具有抗菌、升白细胞、利胆等药理作用[1] 。该品种现行标准仅有定性、挥发性、醚浸出物等检测指标。为了保证本品安全有效 ,必须提高其质 Guilong Kechuanning Capsule is a variety of the medicines contained in the fifth volume of the “Standards for Drugs of the Ministry of Health” (New Drugs are transferred) and has the functions of relieving cough, reducing phlegm, and reducing asthma. Fangzhong Guizhi is a king drug and its main component is cinnamic acid which has antibacterial, leukocyte, gallbladder and other pharmacological effects [1]. The current standards of the variety are qualitative, volatile, and ether extracts. In order to ensure the safety and effectiveness of this product, we must improve its quality.