Embodiments of the application provide a headset an interaction system and a method having a biometric feature detection function the headset comprising: a speaker a microphone a biometric feature detection module used for detecting biometric features of users a mode switching module used for selecting under the control of a main control module the operating mode of the headset including a biometric feature detection mode a first communication module the main control module and a power management module used for supplying power to each of the modules of the headset. The main control module is used to monitor and determine whether a command of an intelligent terminal has been received and to control the biometric feature detection module the mode switching module the power management module and the first communication module according to the command of the intelligent terminal and is further used to analyze on the basis of the control of the command of the intelligent terminal biometric features received from the biometric feature detection module and to transmit the analyzed biometric features to the intelligent terminal through the first communication module. The headset provided by the embodiments of the application can achieve automatic biometric feature detection.
