中文摘要：

目的：通过收集中药外用治疗癌性疼痛文献的处方用药，探索现代临床中药外用复方治疗癌性疼痛的组方原则及用药规律。方法：收集整理1999—2009年发表于国内医学期刊中有关中药外用治疗癌性疼痛的复方，运用频数分析方法探究现代中医临床治疗癌性疼痛中药用药规律。结果：共筛选出符合条件的中药复方52首，涉及中药110味，共计439味次。频数分析发现外治法治疗癌性疼痛常用药为活血化瘀药、开窍药、清热药、祛风湿药及化痰药等。结论：通过现代文献分析可知，中药外用治疗癌性疼痛多遵循“不通则痛，通则不痛”的原则，以治标为主，常用活血化瘀、芳香走窜、散结解毒之品。

英文摘要：

Objective：To research the external principle of Traditional Chinese medicine （TCM） in treating caner pain through collecting nowadays literatures on the external remedies for cancer pain. Methods ： The literatures on the external remedies for cancer pain published in domestic periodicals were collected from 1999 to 2009. Frequency analysis were used to study the compound recipe in included articles. Results ：52 compound recipe were included, containing 110 Chinese herbs and 439 frequencies. The herbs of activating blood circulation to dissipate blood stasis, resuscitation, clearing heat, dispelling wind dampness and expel- ling phlegm were mainly used in external prescription for treating cancer pain. Conclusion ： The external remedy of TCM in treating cancer pain was mainly abided by the principle ＂To be blocked up is to be pain＂ ,and mainly cured appearance. The herbs of ac- tivating blood circulation to dissipate blood stasis, fragrance running, eliminating stagnation and detoxification were used frequently.