情绪是一种产生快、消失也快的强烈的感情,它通过植物神经系统和内分泌系统表现。焦虑是可发生于各种精神障碍的一种情绪状态。抗焦虑药可缓解由应激所引起的各种病态的焦虑。本文以抗焦虑药为中心,对精神药物的基础和临床进行论述。1.抗焦虑药抗焦虑药有镇静、抗焦虑、抗惊厥和中枢性肌松弛的作用。它不引起锥体外系和植物神经症状。由于它几乎不作用于肝药酶,所以不影响并用药物的代谢。药物依赖性较低,过量服用致死者也少见。目前,在临床上广泛应 Emotions are intense feelings that produce fast, disappear, fast, and express through the autonomic and endocrine systems. Anxiety is an emotional state that can occur in a variety of mental disorders. Anxiolytics can relieve anxiety caused by various pathologies caused by stress. In this paper, anxiolytic drugs as the center, the basis of psychotropic drugs and clinical discussion. 1. Anxiolytic Anxiolytic drugs have sedation, anti-anxiety, anticonvulsant and central muscle relaxation role. It does not cause extrapyramidal and autonomic symptoms. Because it does not act on hepatic enzymes, it does not affect the metabolism of drugs. Drug dependence is low, excessive use of lethal are rare. At present, it should be widely used clinically