白矾100克,活蜘蛛大的4个,冰片少许,先将白矾放在铁瓢内,用文火熔成液状,然后,将活蜘蛛放在液体的上面,待液体凝结成固体状(枯矾)后,用镊子把蜘蛛夹出,放凉后,加冰片少许,研细末装瓶备用。可用于治疗复发性口疮,用时将药粉敷于溃疡面少许,每日1～2次。 100 grams of white pelicans, 4 large live spiders, and a little borneol. First put the white storks in an iron scoop and melt them into liquid form with a slow fire. Then, place the live spider on top of the liquid until the liquid condenses into a solid state (wither. After that, use a scorpion to clip the spider out, let cool, add a little bit of ice, and research it to make it ready for bottling. Can be used for the treatment of recurrent aphthous ulcers, when the powder is applied to the ulcer surface, a day or two times.