Method for transmitting and receiving packet in mobile communication system

The present invention relates to a packet reception method. In a packet reception method applied to a mobile communication system, in which data transmission is performed by repeating at least two interlaces by a predetermined cycle, the present invention includes the steps of receiving a broadcast/multicast packet from a base station, receiving a broadcast overhead message including information of a reference multiplex burst length and information about multiplexes, each having a burst length different from the reference multiplex burst length, and decoding the received broadcast/multicast packet using the information included in the broadcast overhead message. Accordingly, the present invention can efficiently transmit the broadcast overhead message required for the packet data decoding.