The invention discloses a new energy accommodation method based on the power generation frequency limit value adjustment, and the method gives consideration to the improvement of the operation frequency limit value of a power grid in a reasonable range when a system is in normal operation and in a time period of low load, stabilizes the characteristics of randomness, fluctuation and reverse peak regulation of new energy power generation, and improves the accommodation capacity of the system for new energy power generation. The method comprises the steps: constructing a new energy accommodation model inference model based on the power generation frequency limit value adjustment, wherein the system can accommodate more new energy output through primary frequency modulation during normal operation; accommodating the new energy in a low load time period through reducing the technical output of the conventional energy resource, wherein the new energy, which is not completely accommodated, can be used for solving the change transient process of the frequency and a new steady-state value of the system after new energy grid connection through an inference formula after the conventional energy resource has already reached the minimum technical output. According to the embodiment of the invention, the method improves the new energy accommodation capacity of the power grid during normal operation and the low-load time period through the real-time dynamic adjustment of the frequency of the power grid.