The invention relates to the technical field of machinery and discloses a sightseeing elevator with a privacy protection function. The sightseeing elevator comprises an elevator lift car, wherein theelevator lift car comprises a lift car top, a lift car bottom and lift car walls; the lift car top, the lift car walls and the lift car bottom are arranged in sequence from top to bottom. The sightseeing elevator is characterized in that through holes are formed in two sides and rear sides of the lift car walls; sightseeing windows are embedded into the through holes; the sightseeing windows are connected with a liquid crystal control system; the liquid crystal control system is connected with a control button; at a natural state, liquid crystal molecules inside a liquid crystal material are irregularly arranged, and are milky white, that is, are not transparent; after electrification, the liquid crystal molecules are regularly arranged in a fixed direction, and are at a transparent state.The states of the liquid crystal molecules can be also controlled by controlling change of current, so that expected contents can be displayed on a liquid crystal layer, and the purpose of advertisement demonstration can be achieved.