Disclosed are: a communication technique for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of 4G system; and a system therefor. The disclosed communication technique and system can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety related services, and the like) on the basis of 5G commendation technology and IoT related technology. A method for efficiently determining uplink data and control signal transmission timing is disclosed.