A video bit rate processing method, comprising: acquiring the quantity of video frames comprised in a current group of video frames, a starting frame of the current group of video frames represented as an I frame, characterized by calculating a target value of a quantization parameter difference of the current group of video frames according to the quantity of the video frames, the quantization parameter difference represented as a difference between a quantization parameter of the I frame and a quantization parameter of a non-I frame; determining a value of a correction parameter of the current group of video frames by using a piecewise function according to the target value of the quantization parameter difference and a quantization parameter difference of a previous group of video frames relative to the current group of video frames, wherein the correction parameter is used for correcting the target bit rate of the I frame, and the quantization parameter difference of the previous group of video frames is a difference between an average value of actual quantization parameters of a non-I frame in the previous group of video frames and an average value of actual quantization parameters of an I frame in the previous group of video frames; and acquiring the target bit rate of the I frame in the current group of video frames according to the value of the correction parameter; and encoding the I frame according to the target bit rate; wherein the acquiring the target bit rate of the I frame according to the value of the correction parameter comprises: calculating the target bit rate of the I frame by using the following formula: I size T arg et = Bit I, pre Bit ave, not I, preGOP • h δQP preGOP − δQP T arg et, h ( SQP preGOP ― δQP T arg et) representing the correction parameter of the current group of video frames, I size Targ et representing the target bit rate of the I frame, Bit I,pre representing an actual bit rate of the I frame in the previous group of video frames relative to the current group of video frames, and Bit ave,not I, preGOP representing an average value of actual bit rates of the non-I frame in the previous group of video frames relative to the current group of video frames. acquiring the quantity of video frames comprised in a current group of video frames, a starting frame of the current group of video frames represented as an I frame, characterized by calculating a target value of a quantization parameter difference of the current group of video frames according to the quantity of the video frames, the quantization parameter difference represented as a difference between a quantization parameter of the I frame and a quantization parameter of a non-I frame; determining a value of a correction parameter of the current group of video frames by using a piecewise function according to the target value of the quantization parameter difference and a quantization parameter difference of a previous group of video frames relative to the current group of video frames, wherein the correction parameter is used for correcting the target bit rate of the I frame, and the quantization parameter difference of the previous group of video frames is a difference between an average value of actual quantization parameters of a non-I frame in the previous group of video frames and an average value of actual quantization parameters of an I frame in the previous group of video frames; and acquiring the target bit rate of the I frame in the current group of video frames according to the value of the correction parameter; and encoding the I frame according to the target bit rate; wherein the acquiring the target bit rate of the I frame according to the value of the correction parameter comprises: calculating the target bit rate of the I frame by using the following formula: I size T arg et = Bit I, pre Bit ave, not I, preGOP • h δQP preGOP − δQP T arg et, h ( SQP preGOP ― δQP T arg et) representing the correction parameter of the current group of video frames, I size Targ et representing the target bit rate of the I frame, Bit I,pre representing an actual bit rate of the I frame in the previous group of video frames relative to the current group of video frames, and Bit ave,not I, preGOP representing an average value of actual bit rates of the non-I frame in the previous group of video frames relative to the current group of video frames. calculating the target bit rate of the I frame by using the following formula: I size T arg et = Bit I, pre Bit ave, not I, preGOP • h δQP preGOP − δQP T arg et, h ( SQP preGOP ― δQP T arg et) representing the correction parameter of the current group of video frames, I size Targ et representing the target bit rate of the I frame, Bit I,pre representing an actual bit rate of the I frame in the previous group of video frames relative to the current group of video frames, and Bit ave,not I, preGOP representing an average value of actual bit rates of the non-I frame in the previous group of video frames relative to the current group of video frames.