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The present invention relates to a method and apparatus for transmitting and receiving a data packet in a Bluetooth mesh network performed by a node, the method includes partici pating in the Bluetooth mesh network; receiving a first data packet from a previous node in a relay state, where the relay state is a state for relaying the data packet in a flooding technique in the mesh network; and transmitting the first data packet to at least one adjacent node, where the first data packet includes information of number of times that repre sents a number of retransmission of the first data packet, where the relay state is maintained for a first specific time, and wherein the first specific time is determined based on the information of number of times.