A network search method and apparatus under a double-card mode, and a computer storage medium are provided. In the method, a network search instruction about a secondary card is obtained, responding to the network search instruction, whether a primary card uses service data is detected; when it is detected that the primary card uses the service data, a foreground public land mobile network search process is started; when it is detected that the primary card does not use the service data, a background public land mobile network search process is started; and operator network information found in the foreground public land mobile network search process or operator network information found in the background public land mobile network search process is displayed.