Disclosed is a method performed by a first terminal in a wireless communication system, including transmitting, to a second terminal on a physical sidelink broadcast channel (PSBCH), slot format information for a sidelink communication, the slot format information including first information on a number of patterns, second information on a period of pattern, and third information on a number of uplink slots of pattern, and performing, with the second terminal, the sidelink communication in at least one sidelink resource identified based on the first information, the second information, and the third information, wherein, when the first information indicates the number of patterns as 1, the second information indicates the period of pattern for a pattern, and the third information indicates the number of uplink slots for the pattern, and when the first information indicates the number of patterns as 2, the second information indicates the period of pattern for a first pattern and a second pattern, and the third information indicates the number of uplink slots for the first pattern and the second pattern.