Abstract: The deep well drilling technology has a rapid development nowadays and becomes more mature.But some down-hole accidents still inevitably happen in the construction process of geothermal wells.The accident causes should be seri-ously and carefully analyzed to develop target treatment programs and procedures for scientific and reasonable treatment. Taking the frequent hole sticking accident of geothermal well construction in Jinzhong as an engineering case, the paper an-alyzed different accident causes and worked out the sticking accident treatment methods.Based on the releasing mecha-nism, the performance of oil-based sticking releasing agent and configuration method were set up, injection volume was ac-curately calculated and key points of the injection technology were mastered in the operation, good effect of treatment was received.