A network capacity adjustment method, comprising: obtaining, by a network device, a quantity of concurrent users of a cell in a unit time in a statistics period; determining, by the network device, an experience blocking ratio of the cell in the statistics period based on the quantity of concurrent users of the cell in the unit time and a quantity of equivalent channels of the cell; and adjusting, by the network device, the quantity of equivalent channels of the cell based on the experience blocking ratio, wherein the determining, by the network device, an experience blocking ratio of the cell in the statistics period based on the quantity of concurrent users of the cell in the unit time and a quantity of equivalent channels of the cell comprises: calculating, by the network device, an unsatisfied traffic volume and a satisfied traffic volume of the cell in the unit time; calculating, by the network device, an unsatisfied traffic volume and a satisfied traffic volume of the cell in the statistics period based on the unsatisfied traffic volume and the satisfied traffic volume of the cell in the unit time; and obtaining, by the network device, the experience blocking ratio of the cell based on a ratio of the unsatisfied traffic volume of the cell in the statistics period to a total traffic volume of the cell in the statistics period, and wherein the quantity of equivalent channels of the cell is determined by obtaining average spectral efficiency and spectral bandwidth of the cell, obtaining the total transmission rate C Mbps of the cell based on the average spectral efficiency and the spectral bandwidth, and obtaining the quantity N = [C/Q] of equivalent channels of the cell based on the required single-user rate Q Mbps. obtaining, by a network device, a quantity of concurrent users of a cell in a unit time in a statistics period; determining, by the network device, an experience blocking ratio of the cell in the statistics period based on the quantity of concurrent users of the cell in the unit time and a quantity of equivalent channels of the cell; and adjusting, by the network device, the quantity of equivalent channels of the cell based on the experience blocking ratio, wherein the determining, by the network device, an experience blocking ratio of the cell in the statistics period based on the quantity of concurrent users of the cell in the unit time and a quantity of equivalent channels of the cell comprises: calculating, by the network device, an unsatisfied traffic volume and a satisfied traffic volume of the cell in the unit time; calculating, by the network device, an unsatisfied traffic volume and a satisfied traffic volume of the cell in the statistics period based on the unsatisfied traffic volume and the satisfied traffic volume of the cell in the unit time; and obtaining, by the network device, the experience blocking ratio of the cell based on a ratio of the unsatisfied traffic volume of the cell in the statistics period to a total traffic volume of the cell in the statistics period, and wherein the quantity of equivalent channels of the cell is determined by obtaining average spectral efficiency and spectral bandwidth of the cell, obtaining the total transmission rate C Mbps of the cell based on the average spectral efficiency and the spectral bandwidth, and obtaining the quantity N = [C/Q] of equivalent channels of the cell based on the required single-user rate Q Mbps. calculating, by the network device, an unsatisfied traffic volume and a satisfied traffic volume of the cell in the unit time; calculating, by the network device, an unsatisfied traffic volume and a satisfied traffic volume of the cell in the statistics period based on the unsatisfied traffic volume and the satisfied traffic volume of the cell in the unit time; and obtaining, by the network device, the experience blocking ratio of the cell based on a ratio of the unsatisfied traffic volume of the cell in the statistics period to a total traffic volume of the cell in the statistics period, and wherein the quantity of equivalent channels of the cell is determined by obtaining average spectral efficiency and spectral bandwidth of the cell, obtaining the total transmission rate C Mbps of the cell based on the average spectral efficiency and the spectral bandwidth, and obtaining the quantity N = [C/Q] of equivalent channels of the cell based on the required single-user rate Q Mbps.