病人获得确诊以后。绝大多数的人都要用药治疗。随着世界各国医疗事业的发展，为临床提供有效手段的药物也推陈出新。选择什么药物、怎样使用，哪些药物可以配伍，怎样根据病人病情的需要调整用法、用量等等是临床医药人员面临的实际问题。1．药物的选择选择所使用的药物最重要 After the patient is diagnosed. The vast majority of people need medication. With the development of medical undertakings in various countries in the world, the drugs that provide effective clinical tools are also introduced. What to choose drugs, how to use, which drugs can be compatible, how to adjust the usage according to the needs of the patient’s condition, dosage and so on are the practical problems facing the clinical staff. 1. The choice of drugs to choose the most important drugs used