A spectrum division method, comprising: obtaining, service distribution in a first area and service distribution in a second area of each base station among all base stations covered by a pre-specified network within a preset period, wherein a set of the first area and the second area of each base station is a cell where each base station is located, the service distribution comprises the number of activated users and a service volume, service distribution in first areas of all the base stations forms total service distribution in a first area of the network, service distribution in second areas of all the base stations forms total service distribution in a second area of the network, and signal strength of the first area is greater than signal strength of the second area of each base station, and the signal strength is a signal receiving strength of a user; formulating, according to the obtained total service distribution in the first area of the network and total service distribution in the second area of the network, i spectrum division schemes for the first area of the network and the second area of the network and h second area spectrum allocation schemes corresponding to each spectrum division scheme, wherein the second area spectrum allocation scheme refers to dividing a spectrum allocated to the second area of the network into p pieces, and selecting one of the p pieces for a second area of the cell where each base station is located, and i, h, and p are integers greater than 0; and selecting, an optimal spectrum division scheme and an optimal second area spectrum allocation scheme under the selected optimal spectrum division scheme, and sending the optimal spectrum division scheme and the optimal second area spectrum allocation scheme to each base station, so that the base station allocates a spectrum of the cell where the base station is located to the first area and second area of the cell according to the optimal spectrum division scheme and the optimal second area spectrum allocation scheme, wherein the optimal spectrum division scheme is one of the i spectrum division schemes, and the optimal second area spectrum allocation scheme is one of the h second area spectrum allocation schemes of the optimal spectrum division scheme. obtaining, service distribution in a first area and service distribution in a second area of each base station among all base stations covered by a pre-specified network within a preset period, wherein a set of the first area and the second area of each base station is a cell where each base station is located, the service distribution comprises the number of activated users and a service volume, service distribution in first areas of all the base stations forms total service distribution in a first area of the network, service distribution in second areas of all the base stations forms total service distribution in a second area of the network, and signal strength of the first area is greater than signal strength of the second area of each base station, and the signal strength is a signal receiving strength of a user; formulating, according to the obtained total service distribution in the first area of the network and total service distribution in the second area of the network, i spectrum division schemes for the first area of the network and the second area of the network and h second area spectrum allocation schemes corresponding to each spectrum division scheme, wherein the second area spectrum allocation scheme refers to dividing a spectrum allocated to the second area of the network into p pieces, and selecting one of the p pieces for a second area of the cell where each base station is located, and i, h, and p are integers greater than 0; and selecting, an optimal spectrum division scheme and an optimal second area spectrum allocation scheme under the selected optimal spectrum division scheme, and sending the optimal spectrum division scheme and the optimal second area spectrum allocation scheme to each base station, so that the base station allocates a spectrum of the cell where the base station is located to the first area and second area of the cell according to the optimal spectrum division scheme and the optimal second area spectrum allocation scheme, wherein the optimal spectrum division scheme is one of the i spectrum division schemes, and the optimal second area spectrum allocation scheme is one of the h second area spectrum allocation schemes of the optimal spectrum division scheme.