煤矿井下坑道钻探在保障煤矿安全高效开采、增加清洁能源供给、实现绿色发展等方面发挥着不可替代的作用。改革开放以来，我国煤矿井下坑道钻探技术与装备实现了“由无到有”向“由弱到强”的历史性跨越，依靠坑道钻探技术与装备科技创新，支撑煤矿地质保障能力持续增强。首先从矿井灾害防治、隐蔽致灾地质因素探查、煤层气资源开发和其他工程应用等方面，全面阐述了安全高效绿色开采对煤矿井下坑道钻探的需求，并结合煤矿井下坑道钻探领域专著、专利、论文、标准规范、获奖情况，系统回顾和总结了40年来我国煤矿井下坑道钻探技术与装备的发展历程和代表性成果。在坑道钻探技术与装备方面，提出和发展了煤矿井下坑道回转钻进技术、稳定组合钻具定向钻进技术和随钻测量定向钻进技术，实现了煤矿井下钻孔施工由“无控钻进”到“受控钻进”再到“精确定向钻进”的跨越；研制了坑道钻机、泥浆泵（车）、钻杆、钻头、螺杆钻具、随钻测量系统、冲洗液循环净化系统等装备，促进了煤矿井下坑道钻探装备国产化进程及其升级换代，形成了适应于我国煤层赋存地质条件和开采条件、同时具备自主知识产权的坑道钻探技术与装备体系，尤其是大功率定向钻进和自动化、智能化钻进技术与装备研发，使我国煤矿井下坑道钻探技术装备水平跃升到新的台阶，推动了煤矿地质保障技术的进步，支撑了我国煤炭科学产能的释放和煤层气高效开发。面对新一轮能源科技革命，针对新形势下煤矿安全发展新要求，以信息化、智能化为特征的精准快速坑道钻探技术与装备的发展已迫在眉睫，在此基础上，提出了煤矿井下坑道钻探技术与装备发展方向及建议。

The underground drilling plays an irreplaceable role in ensuring the safe and efficient mining， increasing the supply of clean energy and realizing green development.Since the reform and opening up， the underground drilling technology and equipment have achieved a historical leap from nothing to existence to weak to strong.Relying on the scientific and technological innovation of underground drilling technology and equipment， the geological support capacity of coal mine is continuously enhanced.First of all， from the aspects of mine disaster prevention and control， hidden disaster geological factors exploration， CBM resource development and other engineering applications， this paper comprehensively explains the demand of safe， efficient and green mining for underground drilling.Combined with monographs， patents， papers， standards and awards in the field of underground drilling underground coal mines， the development process and representative achievements of underground drilling technology and equipment in China in the past 40 years are systematically reviewed and summarized.In the aspect of underground drilling technology and equipment， the paper puts forward and develops the rotary drilling technology， the directional drilling technology of stable BHA and the directional drilling technology of MWD， so as to realize the leap from uncontrolled drilling to controlled drilling and then to precise directional drilling.Meanwhile， the underground drilling rig， mud pump(truck)， drilling pipe， drilling bit， DHM， MWD system， circulation purification system for flushing fluid are developed， which promotes the localization process and upgrading of underground drilling technology and equipment underground coal mines.And the system with independent intellectual property rights is formed which is suitable for the geological conditions and mining conditions of coal seams in China.In particular， the research and development of technology and equipment of high-power directional drilling， automation and intelligent drilling have raised the level of underground drilling technology to a new level， promoted the progress of coal mine safety assurance technology，and supported the release of scientific coal production and high-efficiency development of coalbed methane in China.In the face of a new round of energy science and technology revolution， in view of the new requirements for the development of coal mine safety under the new situation， the development of accurate and fast drilling technology and equipment characterized by informationization and intellectualization is imminent.On this basis， the development direction and suggestions of the underground drilling technology and equipment are put forward.