The invention discloses an auxiliary device for a school language lab. A reminding headphone is integrally arranged on each auxiliary headphone, the reminding headphone of each wireless headphone is independently controlled by a voice interactive host, so that a teacher can perform voice reminding on single student in class, distance and elasticity adjusting assemblies for adjusting distances between main headphones and auxiliary headphones and adjusting press force applied by the main headphones and auxiliary headphones to ears of a user are also arranged on a connecting bridge assembly, thewearing conform of the headphones can be improved, and personal adjustment can be realized. Headphone jackets, vacuum sound insulation layers, fixing rings, threads, mounting grooves and threaded grooves are arranged, the vacuum sound insulation layers can have an obvious barrier effect on external noise, effectively prevent external noise from severely affecting listening tests and create a goodlistening test environment for students, the students can mount and dismount respective headphone jackets on the main headphones and the auxiliary headphones, and thus, the device is more sanitary andcomfortable when worn and used.