Abstract: 40 years' peroleum exploration experiences and knowledge about petroleum geogy in Junggar basin are briefly reviewed and summarized, and then the prospects for petroleum exploration in Junggar basin are outlooked. It is suggested that the attempts to high-efficiency and rapid increase in petroleum reserves of Junggar basin can be carried out by adopt-ing the following measures;① deepening the exploration in the discovered oil and gas accumulation belts to further enlarge exploration results, and ② strengthening research and drilling exploration on the known la rge-scaletraps for new discovery. In recent petroleum exploration, Karamay Xiazi jie oil and gas accu mulation belt, Hongsha nzui Chepaiza oil and gas accumulation belt, Lu nan oil and gas accu mulation belt, Zhongguai oil and gas accu mulation belt, Mahu and Manan anticlines, and Muosuowan anticline should be considered as the main objectives.

Key words: Junggar basin, Petroleum exploration, Review, Outlook