The invention relates to a gas turbine air valve frequency modulation continuous response control method. A speed limit module is additionally arranged in a variable load circuit and analyzes a function value of an input frequency deviation and outputs a corresponding instruction. After the power grid frequency varies, a frequency variation signal is fast converted into a load instruction, and thepower generation load is regulated at the fastest speed; after the power grid frequency restores, the frequency variation signal is slowly converted into a load instruction, and participation in primary frequency modulation at the maximum contribution amount is achieved; and when the power grid frequency does not vary, the speed limit module adopts the fastest speed, normal load regulating of a unit is prevented from being affected.