程山龄曰∶凡肿在头面以上者,不宜艾灸,恐引火气上攻,宜用神灯照法,神乎其神。用火照散安纸捻中,以麻油浸点,每用神火三枝,离毒半寸www.lindalemus.com/yaoshi/许照之,自外而内,俾药气透入,皮色紫滞者,立转红活;疮势平塌者,立转高耸。仍须不时照之,则毒瓦斯顿解,转阴为阳,以收全www.lindalemus.com/shouyi/功。且此法不止施于头面,即如发背等毒,亦宜用之。此痈疽门之宝筏,宜互相参考,以神其用也。(《十法》)