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With the accelerating process of our modernization, aerospace technology standard is higher and higher, the aircraft engine operating condition the robustness and adaptability of higher requirements are put forward. Traditional steps of designing variable gain trival, not the engine in the operation of aircraft in general to consider the design, make the engine variable gain lack of stability and adaptability, easy system problems. For this, based on general LPV aeroengine robust variable gain control system, on the basis of aeroengine structure parameters, considering the load property of the aircraft in the air, to calculate the fuzzy variable gain new constraints pole, continuous gain in aircraft engine working range, avoid the traditional switch gain situation, determine the error factors such as in the speed control, nonlinear control design is decomposed into multiple linear problem, make the aircraft control system can keep good running along the LPV trajectory parameters, stable performance. The simulation experiments show that the proposed robust variable gain control of aeroengine based on LPV system control effect is superior to the traditional method, the aircraft engine speed change, control accuracy can meet the requirements, change aircraft load, variable gain control of target effectively. Control method is proposed for aeroengine robust variable gain control problem provides a new solution, has higher application value.