An embodiment of the invention discloses a method for replying to communication information, comprising the steps as follows: a smart watch acquires target operation information input for the crown when receiving a communication event, wherein the communication event includes at least one of call event, short message event and instant message event; the smart watch queries target reply content corresponding to the target operation information according to the preset correspondence between operation information and reply content; and the smart watch sends the queried target reply content to a communication sender corresponding to the communication event. According to the method for replying to communication information of the invention, the smart watch acquires corresponding information reply content according to the operation information of crown operation and replies to the communication information, and the convenience in replying to communication information is improved. Another embodiment of the invention discloses a smart watch.