A method for adjusting service processing resources of a multi-mode base station system, comprising: acquiring traffic model data of each wireless access standard of the multi-mode base station system; determining service processing resources required by each wireless access standard according to the traffic model data; and adjusting service processing resources of each wireless access standard based on the determined service processing resources required by each wireless access standard, characterized by acquiring the traffic model data of each wireless access standard of the multi-mode base station system periodically; wherein the traffic model data comprises a call success/failure rate; wherein the determining the service processing resources required by each wireless access standard comprises: computing a step size for adjusting resources of each wireless access standard according to the traffic model data; and determining the service processing resources required by each wireless access standard based on the step size for adjusting the resources; wherein in the traffic data model a call failure rate acquisition index is considered, B i represents the step size for adjusting service processing resources of the ith wireless access standard and is limited to the three values 0, +1, -1, a i 3 represents the acquired call failure rate acquisition index in the traffic model data of the ith wireless access standard, two thresholds W 0 and W 1 are set in the multi-mode base station system, where W 0 ≤ W 1; wherein if a i 3 ≥W 1, then B i =+1; if a i 3 ≤ W 0, then B i =-1; and if W 0 <a i 3 <W 1, then B i =0. acquiring traffic model data of each wireless access standard of the multi-mode base station system; determining service processing resources required by each wireless access standard according to the traffic model data; and adjusting service processing resources of each wireless access standard based on the determined service processing resources required by each wireless access standard, characterized by acquiring the traffic model data of each wireless access standard of the multi-mode base station system periodically; wherein the traffic model data comprises a call success/failure rate; wherein the determining the service processing resources required by each wireless access standard comprises: computing a step size for adjusting resources of each wireless access standard according to the traffic model data; and determining the service processing resources required by each wireless access standard based on the step size for adjusting the resources; wherein in the traffic data model a call failure rate acquisition index is considered, B i represents the step size for adjusting service processing resources of the ith wireless access standard and is limited to the three values 0, +1, -1, a i 3 represents the acquired call failure rate acquisition index in the traffic model data of the ith wireless access standard, two thresholds W 0 and W 1 are set in the multi-mode base station system, where W 0 ≤ W 1; wherein if a i 3 ≥W 1, then B i =+1; if a i 3 ≤ W 0, then B i =-1; and if W 0 <a i 3 <W 1, then B i =0. computing a step size for adjusting resources of each wireless access standard according to the traffic model data; and determining the service processing resources required by each wireless access standard based on the step size for adjusting the resources; wherein in the traffic data model a call failure rate acquisition index is considered, B i represents the step size for adjusting service processing resources of the ith wireless access standard and is limited to the three values 0, +1, -1, a i 3 represents the acquired call failure rate acquisition index in the traffic model data of the ith wireless access standard, two thresholds W 0 and W 1 are set in the multi-mode base station system, where W 0 ≤ W 1; wherein if a i 3 ≥W 1, then B i =+1; if a i 3 ≤ W 0, then B i =-1; and if W 0 <a i 3 <W 1, then B i =0.