A method for information transmission, comprising: sending, by a network device, to a terminal device, scheduling information for system information, wherein the system information comprises dedicated system information, and the dedicated system information is different from common system information required by all terminals, and the dedicated system information indicating system information required to be used for a certain terminal device, system information required by terminal devices of a specific type, or system information required by a certain specific service, and the scheduling information for the system information comprises scheduling period information of the dedicated system information; and sending, by the network device, the system information according to the scheduling information; wherein sending, by the network device, the scheduling information for the system information comprises: sending, by the network device, at least one scheduling information, each scheduling information in the at least one scheduling information corresponding to at least one dedicated system information; characterized in that before sending, by the network device, the system information according to the scheduling information, sending, by the network device, to the terminal device, identification information, the identification information being configured to identify valid scheduling information in the at least one scheduling information, wherein sending, by the network device, the system information according to the scheduling information comprises: sending, by the network device, the dedicated system information corresponding to the valid scheduling information according to the valid scheduling information. sending, by a network device, to a terminal device, scheduling information for system information, wherein the system information comprises dedicated system information, and the dedicated system information is different from common system information required by all terminals, and the dedicated system information indicating system information required to be used for a certain terminal device, system information required by terminal devices of a specific type, or system information required by a certain specific service, and the scheduling information for the system information comprises scheduling period information of the dedicated system information; and sending, by the network device, the system information according to the scheduling information; wherein sending, by the network device, the scheduling information for the system information comprises: sending, by the network device, at least one scheduling information, each scheduling information in the at least one scheduling information corresponding to at least one dedicated system information; characterized in that before sending, by the network device, the system information according to the scheduling information, sending, by the network device, to the terminal device, identification information, the identification information being configured to identify valid scheduling information in the at least one scheduling information, wherein sending, by the network device, the system information according to the scheduling information comprises: sending, by the network device, at least one scheduling information, each scheduling information in the at least one scheduling information corresponding to at least one dedicated system information; characterized in that before sending, by the network device, the system information according to the scheduling information, sending, by the network device, to the terminal device, identification information, the identification information being configured to identify valid scheduling information in the at least one scheduling information, wherein sending, by the network device, the system information according to the scheduling information comprises: sending, by the network device, the dedicated system information corresponding to the valid scheduling information according to the valid scheduling information.