The invention provides a method for acquiring wireless network utilization ratio of a GSM (Global System for Mobile Communication), which comprises the following steps: a mobile integrated network management system acquires network parameters from a wireless operation maintenance center, and acquires the wireless network utilization ratio of the GSM according to the acquired network parameters. In the method provided by the invention, by introducing the data service traffic volume, SDCCH (Stand-alone Dedicated Control Channel) signaling channel traffic volume, half-rate speech traffic volume compensation correction, system busy-hour/BSC (Base Station Controller) busy-hour discordance correction, cell call loss rate abnormity compensation correction and various other network factors, the more comprehensive and accurate wireless network utilization ratio of the GSM is obtained, and the wireless network resource utilization conditions of the GSM can be reflected in a more objective way, thereby providing reference for network optimization and network capacity expansion.