A method for processing network jitter, comprising: receiving multiple speech data packets and recording a receiving moment of each speech data packet (101, 201, 301, 401, 501); calculating (102, 202, 302, 402, 503) a time interval between receiving every two adjacent speech data packets in the multiple speech data packets according to the receiving moment; performing a statistics on a probability distribution of the time intervals according to preset intervals to which respective time intervals belong; calculating (104, 205, 306) a target size of a buffer zone according to the probability distribution and an allowable jitter probability; and adjusting (105, 206, 307) the buffer zone according to the target size of the buffer zone to achieve the allowable jitter probability, characterized in that the n th time interval J n = R n - R n -1, R n represents the receiving moment of the n th speech data packet, R n -1 represents the receiving moment of the ( n -1) th speech data packet, 1 ≤ n ≤ ( N -1), and N represents a total number of the speech data packets; a number of the preset intervals is more than one, and the i th preset interval is 2 i − 1 T K 2 i + 1 T K, wherein T is a fixed time interval of sending the speech data packets by a sending end, and K is a positive integer; and the performing the statistics on the probability distribution of the time intervals according to the preset intervals to which respective time intervals belong comprises: performing (303, 403, 504) a statistics on a number N i, i ≥ 0 of time intervals that fall within each preset interval respectively among all the time intervals, wherein i represents an identification number of the preset interval, and N i ≥ 0; and calculating (304, 404, 505) a probability p i = N i N of the time interval that falls within each preset interval according to each N i and the total number N of the speech data packets. receiving multiple speech data packets and recording a receiving moment of each speech data packet (101, 201, 301, 401, 501); calculating (102, 202, 302, 402, 503) a time interval between receiving every two adjacent speech data packets in the multiple speech data packets according to the receiving moment; performing a statistics on a probability distribution of the time intervals according to preset intervals to which respective time intervals belong; calculating (104, 205, 306) a target size of a buffer zone according to the probability distribution and an allowable jitter probability; and adjusting (105, 206, 307) the buffer zone according to the target size of the buffer zone to achieve the allowable jitter probability, characterized in that the n th time interval J n = R n - R n -1, R n represents the receiving moment of the n th speech data packet, R n -1 represents the receiving moment of the ( n -1) th speech data packet, 1 ≤ n ≤ ( N -1), and N represents a total number of the speech data packets; a number of the preset intervals is more than one, and the i th preset interval is 2 i − 1 T K 2 i + 1 T K, wherein T is a fixed time interval of sending the speech data packets by a sending end, and K is a positive integer; and the performing the statistics on the probability distribution of the time intervals according to the preset intervals to which respective time intervals belong comprises: performing (303, 403, 504) a statistics on a number N i, i ≥ 0 of time intervals that fall within each preset interval respectively among all the time intervals, wherein i represents an identification number of the preset interval, and N i ≥ 0; and calculating (304, 404, 505) a probability p i = N i N of the time interval that falls within each preset interval according to each N i and the total number N of the speech data packets. performing (303, 403, 504) a statistics on a number N i, i ≥ 0 of time intervals that fall within each preset interval respectively among all the time intervals, wherein i represents an identification number of the preset interval, and N i ≥ 0; and calculating (304, 404, 505) a probability p i = N i N of the time interval that falls within each preset interval according to each N i and the total number N of the speech data packets.