Abstract: This thesis researched the mode of the controlling of faults to oil migration and accumulation in the northwest of Junggar Basin,and then defined it to experimental model.when the oil is injected conti-nued and steady into the model,we simulated the process of the oil migration and accumulation in the faults and the reservoir.By observing the process of experiment and analysising the result and studying the character of tectonic stress field and the proof of fluid geochemistry for the controlling of faults to oil,this paper analyzed the character for the controlling of reverse faults to the oil in this area clearly.