复方盐酸丁卡因溶液具有快速止痛、抗菌消炎及促进愈合的特点，常用于治疗各种原因引起的口腔溃疡。为了保证其药品质量，我们对该制剂的质量标准进行了研究。本品含盐酸丁卡因（Ｃ１５Ｈ２４Ｎ２Ｏ２·ＨＣＩ）应为０．０２５％～０．０３０％（ｇ／ｍｌ）；含硫酸庆大霉... Compound tetracaine hydrochloride solution with rapid analgesic, anti-bacterial anti-inflammatory and promote healing characteristics, commonly used in the treatment of various causes of oral ulcers. In order to ensure the quality of its medicines, we studied the quality standards of the preparations. This product contains tetracaine hydrochloride (C15H24N2O2 · HCI) should be 0.025% ~ 0.030% (g / ml);