A juice extracting device contains a collecting assembly, a covering set, a body, and a pumping member. The collecting assembly includes a cavity defined, an open segment having a pouring hole, a collection segment having a guiding hole, and at least one limiting seat. The covering set includes a hollow neck and a circular holder. The body includes a filtering disc, a plurality of defining ribs for retaining with the at least one limiting seat, a hollow column a hollowly conical post having a cutting edge, a stop piece, and an extraction portion. The pumping member is served to draw juices in the collecting assembly and includes a spray head and a drawing tube for drawing the juices.