This application relates to the field of communication technologies, and discloses a communication method and apparatus. The method includes: An access stratum of a first device receives a first bit set, a second bit set, first check information, and second check information from a second device; performs integrity check on the first bit set based on the first check information and a first threshold; and performs integrity check on the second bit set based on the second check information. According to the foregoing method, the access stratum of the first device may separately check the first bit set (an error-tolerant bit set) and the second bit set (a non-error-tolerant bit set), so that a feedback delay or a retransmission delay is reduced while an error tolerance requirement is met, thereby improving user experience.