Provided are a method and apparatus for transmitting and receiving control information in a wireless communication system, wherein the method, performed by a terminal, of transmitting and receiving control information according to an embodiment includes: receiving first type data; receiving second type data assigned to at least a part of a resource region assigned to the first type data; receiving an interruption indicator; and performing a hybrid automatic repeat request (HARQ) acknowledgement (ACK)/negative ACK (NACK) transmission regarding the first type data based on the interruption indicator.