维甲酸药膜对口腔溃疡和口腔偏平苔癣有较好的疗效,该制剂已收载于浙江省医院制剂规范,但按原处方制成的药膜表面粗糙,脆而易碎,而且该规范尚未建立维甲酸的质量控制,本文就其处方和含量测定方面所作的实验报告如下: Retinoid film on oral ulcers and oral lichen planus have a good effect, the preparation has been contained in the Zhejiang Provincial Hospital preparations norms, but according to the original prescription of the film surface roughness, brittle and fragile, and the specification The quality control of retinoic acid has not been established. The experimental report on the prescription and content of this article is as follows: