我国天然气工业在投资规模、投资结构、投资效益现状几个方面存在的主要问题是 :1.天然气勘探投资较其开发投资有下降趋势 ;2 .天然气勘探投资效益有待提高 ;3.管道建设资金投入不足 ;4 .投资结构不合理 ,制约天然气工业发展 ;5.天然气工业投资环境有待改善。因此 ,需要针对目前情况 ,探讨造成以上问题的原因 ,并提出相关建议 The main problems in China’s natural gas industry in terms of investment scale, investment structure and investment efficiency are as follows: 1. Natural gas exploration investment has a downward trend compared with its development investment; 2. Natural gas exploration investment benefits need to be improved; 3. Pipeline construction capital input 4. The investment structure is irrational, restricting the development of the natural gas industry; 5. The investment environment of the natural gas industry needs to be improved. Therefore, we need to address the current situation, to explore the reasons for the above problems, and make relevant recommendations