Methods The effect of the decoct time, the decoct times and the solvent amount on the chief effective composition in Waishangruyi Ointment were studied by orthogonal design.

• 方法采用正交试验法对外伤如意膏组方成分进行考查，以药材主要有效成分为指标，考查溶媒用量、提取次数、提取时间等因素的影响。