基因工程药物是通过生物技术方法合成的一类新药，由于它具有高收益、污染小、成本低、能有效治疗疑难病症等特点而受到全球制药业的高度重视。自从世界第一个基因工程药物“人胰岛素”在美国问世后，基因工程制药业得到了迅猛的发展，各国对生物技术的风险投资逐年猛增。据统 Genetically engineered drugs are a class of new drugs synthesized by biotechnological methods. They are highly regarded by the global pharmaceutical industry due to their characteristics of high yield, low pollution, low cost and effective treatment of difficult diseases. Since the advent of “human insulin”, the world’s first genetically engineered drug, in the United States, the pharmaceutical industry has seen rapid development. The venture capital investment in biotechnology has risen rapidly in every country. According to the system