本文简要分析了四频差动激光陀螺开机后热场的变化对零漂的影响 (即陀螺的热效应 ) ,提出了一些克服热效应的方法 ,并测量了陀螺热场。 This paper briefly analyzes the influence of the thermal field on the zero drift after the four-frequency differential laser gyro is turned on (ie, the thermal effect of the gyro) and proposes some methods to overcome the thermal effects and measures the gyro thermal field.