在不少行业中，由于工作环境中的职业性有害因素作用于人体，常可引起各种不同的职业病。例如：职业性肝脏疾病、职业性肾脏疾病、职业性神经系统疾病等。就业前体检是预防职业病发生的重要环节之一。在就业前的体格检查中，常规内科检查通过望触叩听虽然能发现肝胆肾的一... In many industries, due to occupational harmful factors in the work environment acting on the human body, various occupational diseases can often be caused. For example: occupational liver disease, occupational kidney disease, occupational nervous system diseases. Pre-employment medical examination is one of the important links in preventing the occurrence of occupational diseases. In the pre-employment medical examination, the routine medical examination can be found through hesitation;