“十八反”是中医用药的配伍禁忌,两千年来一直争议不休,笔者为了开辟新的用药途径,弄清相反药物的实质,大胆地跨出了禁区。将“十八反”的几组药物,分别作了临床观察,并未发生特殊的毒性反应,而且运用于一些疑难杂证中,还收到了意想不到的效果。现分为以下三部分报导如下: “Eighteen Contrary” is the incompatibility of Chinese medicine. It has been a controversy for two thousand years. In order to open up new ways of medicine, the author has ascertained the substance of the opposite medicine and boldly crossed the restricted area. The “eighteen anti-” several groups of drugs were clinically observed, no specific toxic reactions occurred, and they were used in some difficult and unreasonable cards, and they also received unexpected results. The following three parts are reported as follows: