A method for transmitting system information, includes: determining identifiers of a plurality of pieces of second system information from first system information, wherein the first system information is system information that is periodically broadcast by a base station, and the plurality of pieces of second system information are system information other than the system information included by the first system information; determining transmission status of the plurality of pieces of second system information based on the identifiers of the plurality of pieces of second system information, and broadcasting the first system information, wherein the first system information includes the identifiers and the transmission status of the plurality of pieces of second system information.