A pull-out locking device comprises a plurality of locking sliders, adjusting elements corresponding to drawers in a one-to-one manner and a plurality of stoppers. Each adjusting element can rotate restrictively between an opening position and a locking position and comprises an adjusting contour which functions together with an adjusting stopper. Each adjusting element also comprises an adjusting slot that can be in embedded fit with a control pin. The control pin is disposed on a side wall, which is opposite to the adjusting element, of a matched drawer and enables the matched adjusting element to rotate when the drawer is operated. The pull-out locking device also comprises a lock used for locking all the drawers centrally. The adjusting contour of each adjusting element comprises a first stopping position and a second stopping position. Each locking slider adjacent to the locking slider of the operated drawer along the direction of a spring can be moved to one stopper. The adjusting slot of each adjusting element is disposed between the front face plate of the matched drawer and a guide device and extends in a manner of being parallel to the adjusting axis when the matched drawer is pushed in the pull-out locking device. The utility model also relates to furniture.