Method and Device for Controlling Autonomous Driving

An embodiment method for controlling autonomous driving in a vehicle with an incorporated semi-autonomous driving system and warning alarm system includes monitoring a status of a driver during semi-autonomous driving, generating a state signal based on the monitoring, the state signal indicating a state that includes a warning state, a coasting state and a braking state, and performing a driver emergency assistance operation based on the state signal, wherein the vehicle transitions to the warning state, the coasting state, or the braking state based on the state signal to perform a corresponding driver emergency assistance operation.