The invention discloses an English vocabulary comparison demonstration device. The English vocabulary comparison demonstration device comprises a plastic strip block, a strip-shaped hole, a poking wheel, a bearing, a traction block, a connection groove, a fountain pen writing thin plate, a rectangular groove, a first cover strip plate, a second cover strip plate, a convex glass strip plate, a strip-shaped sliding groove, a long column cavity, a shaft rod, a sliding block, a square hole, wiping cloth and a connection block. According to the invention, a function of operating and spelling two comparative English words is realized; the difference between two similar and same words can be learned and found out conveniently in the operation demonstration; meanwhile, the operational ability of learners is improved; two corresponding cover strip plates which are connected with the plastic strip block in a sliding manner are pushed backwards to move, the effect of shielding corresponding unused parts is achieved, disorder caused by the fact that other shifting wheels with letters are driven to rotate due to misoperation is avoided, spelled words can be partially exposed, learners can writedown corresponding translated words conveniently, meanwhile, the translated words can be wiped off, and follow-up use is facilitated.