硝基苯是制造苯胺染料、鞋油和香料的原料。其毒性比苯胺大50倍。常可由皮肤、呼吸道或消化道侵入。急性中毒症状有疲倦、眩晕、头痛、呕吐、全身乏力、耳鸣和手指麻木,甚至昏迷死亡。由于产生变性血红蛋白而发绀。重度中毒可致贫血,有时伴有黄疽,脾脏肿大。本文报告由于吸入硝基苯蒸气中毒的3例如下:例1:患者吴姓(门诊号24946),男性,21岁,化学系学生,以面色口唇指趾端青紫5小时来院急诊,于入院之日上午9时许因参与实验工作使用硝基苯等六种药品,于当日下午2时同学发觉患者面色灰蓝唇指青紫,并自觉头晕、喉痛、口 Nitrobenzene is the manufacture of aniline dyes, shoe polish and spices. Its toxicity than aniline 50 times. Often by the skin, respiratory tract or digestive tract invasion. Symptoms of acute poisoning are tiredness, dizziness, headache, vomiting, generalized weakness, tinnitus and numbness in the fingers, and even death in coma. Cyanosis due to denatured hemoglobin. Severe poisoning can cause anemia, sometimes accompanied by jaundice, splenomegaly. In this paper, three cases of inhalation of nitrobenzene vapor poisoning were reported as follows: Example 1: Patient Wu (outpatient number 24946), male, 21 years old, a chemistry student with a blush purple toe at the lip for 5 hours to hospital emergency, At 9:00 am, due to their participation in the experimental work, they used six kinds of drugs such as nitrobenzene. At 2 pm on the same day, they found that the patient was pale blue and purple lips, and dizzy, sore throat and mouth