An inverter parallel control method for double-droop control with elastic active power allocation relates to an inverter control method, which is used for solving the problem that a renewable energy parallel inversion system is affected by the fluctuation of active power. The method comprises the following steps of controlling a parallel inverter according to Omega and V of a double-droop control equation with elastic active power allocation, wherein the double-droop control equation is shown in the specification, Omega is an angular frequency reference value of inverter output voltage, Omega<0i> is annular frequency of inverter rated output voltage, k and k are respectively droop coefficients of active power and reactive power output from an inverter, P is active power output from the inverter, P<0i> is rated output active power of the inverter, k is a translation coefficient of translation quantity Delta Omega of a droop curve, V is voltage of a DC bus, V is reference voltage of the DC voltage, V output voltage amplitude reference value of the inverter, V<0i> is rated output voltage amplitude of the inverter, Q is reactive power output from the inverter, and Q<0i> is rated output reactive power of the inverter.