Disclosed are a service interruption processing method and device thereof, the method comprising the following steps: when it is necessary to interrupt the data frame transmission conducted by a user equipment (UE) for real-time service, and if a detection terminal detects that the data frame grade of the data frame of the real-time service satisfies a preset interruption delay condition, then transmitting a first control instruction to an interruption executing terminal to delay interruption on the data frame transmission of the real-time service (S101); and in the process of continuing transmission of the data frame of the real-time service, if the detection terminal detects that the data frame grade of the data frame of the real-time service satisfies a preset interruption triggering condition, then transmitting a second control instruction to the interruption executing terminal to interrupt the real-time service (S102). The present invention can fine-tune the timing of issuing an interruption command in conjunction with the data frame of the user service, such that the interruption process occurs at the position of a non-important data frame, thus reducing to the greatest extent the negative effect of the interruption process on the real-time service quality.
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