麻醉药品是指连续使用后易产生身体依赖性,能成瘾癖的药品;精神药品是指直接作用于中枢神经系统,使之兴奋或者抑制,连续使用能产生依赖性的药品。早在4000多年前苏美尔人就开始将鸦片作为麻醉药品来进行外科手术,麻醉药的应用极大减轻了患者的痛苦,促进了医疗水平的提高和医疗 Narcotic drugs refer to those drugs that are prone to physical dependence and addiction after continuous use. Psychotropic drugs refer to drugs that directly exert their influence on the central nervous system to excite or inhibit them and continuously use them to produce dependence. As far back as 4,000 years ago, the Sumerians began using opium as a narcotic drug for surgery. The use of narcotics greatly reduced the suffering of patients and promoted the improvement of medical standards and medical care