Disclosed are a voice control system, a method for selecting options and a smart robot using the same. The method includes: detecting whether there is any first command sentence in a voice signal; determining a set of the voice options corresponding to the first command sentence; sequentially playing each voice option of the set of voice options, wherein there is a predetermined time interval between every two voice options; within the predetermined time interval, detecting whether there is a response sentence in the voice signal; determining whether the response sentence matches with one of the voice options when there is the response sentence in the voice signal; and if the response sentence matches with one of the voice options, outputting the task content corresponding to the voice option and then making the voice control system enter a sleep mode.