A display panel, a control method thereof, and an electronic terminal are provided. The control method includes: determining whether a display frequency of the display panel is converted in each of x frames, wherein x is a positive integer greater than or equal to 2; and in response to determining that the display frequency of the display panel is converted in each of the x frames, changing a common voltage from a first voltage gradually to a second voltage in a plurality of frames, from at least a last frame in the x frames.