火试法是常用的中药经验鉴别方法之一。它是利用中药火烧后所产生的各种特殊现象，如气味、颜色、烟雾、响声等以达到鉴别某种中药材之目的。方法简便、实用。现将十二种中药用火试法鉴别介绍如下。1房香取碍香仁少许置金属片上烧灼，初则进裂，随即熔化膨胀冒泡，油点似珠，香 Fire test method is one of the most commonly used Chinese medicine experience identification methods. It is the use of traditional Chinese medicine after burning a variety of special phenomena, such as smell, color, smoke, sound, etc. to achieve the purpose of identifying a Chinese herbal medicine. The method is simple and practical. Twelve kinds of Chinese medicines are identified by fire test method as follows. 1 room fragrant access to incense a little set on the sheet metal burning, initially cracked, then melted and expanded bubbling, oil point like beads, incense