The invention discloses special auxiliary equipment for online class teaching, which relates to the technical field of teaching equipment and comprises a connecting rod, a lower telescopic rod, an upper telescopic rod, a writing board, a first cover plate, a second cover plate, an omnidirectional rotating mechanism, a rotating fixing mechanism, a connecting mechanism and an omnidirectional rotating mechanism, the equipment comprises an upper rotating piece, a rotating groove, a fastening groove, a fastening spring, a fixed convex block, a rotating block, a fixed groove and a lower rotating piece; and a rotating block is fixedly installed at the bottom of the upper rotating piece through a connecting rod, and a fixing groove is formed in the outer wall of one side of the rotating block. According to the scheme, through the arrangement of the omnidirectional rotating mechanism and the rotating fixing mechanism, the position and angle of the special auxiliary equipment for online class teaching are adjusted through the omnidirectional rotating mechanism and the rotating fixing mechanism, so that a mobile phone performs good shooting, the problem that a mobile phone shooting end is poor in shooting effect and unclear is avoided, a receiving end can see a good teaching picture, meanwhile, the equipment is suitable for educators under different use conditions and has comprehensiveness.