地区经济发展中，投资切入点的选择关系全局成败。本文以珠江三角洲经济发展战略为例，阐述开展投资切入点研究的重要性和必要性，文中在对粤北山区经济发展状况作了剖析后，认为粤北山区经济发展切入点应着重体现在“货通”上，对如何实现“货通”文末提出了相应对策 In regional economic development, the overall success or failure of the choice of investment entry point. Taking the economic development strategy of the Pearl River Delta as an example, this article expounds the importance and necessity of the research on the entry point of investment. After analyzing the economic development in the mountainous areas of northern Guangdong, this paper argues that the starting point of the economic development in the mountainous areas of northern Guangdong should be emphatically embodied in “ Goods pass ”on how to achieve the“ goods pass ”at the end of the text put forward the corresponding countermeasures