The invention discloses an intelligent labeling device for bottles. The intelligent labeling device for the bottles comprises a machine base and a labeling cavity arranged in the machine base, and a finished product outlet groove is internally formed in the inner wall of the top of the labeling cavity in a penetrating mode, and the front inner wall and the rear inner wall of the labeling cavity internally communicate with symmetric sliding rail grooves; the inner walls of the sliding rail grooves internally communicate with gear mounting grooves which are symmetric, and the inner walls of thegear mounting grooves internally communicate with first sliding grooves which are symmetric; the inner wall of the left end of the labeling cavity internally communicate with a second sliding groove,and a bottle placing groove is internally formed in the inner wall of the right end of the labeling cavity in a communicating mode; the inner wall of the bottom of the second sliding groove internallycommunicates with a third sliding groove, and a fourth sliding groove is internally formed in the inner wall of the bottom of the third sliding groove in a communicating mode; a fifth sliding grooveis internally formed in the inner wall of the right end of the fourth sliding groove, and a sixth sliding groove is internally formed in the inner wall of the bottom of the labeling cavity; and the fifth sliding groove penetrates through the sixth sliding groove. The intelligent labeling device for the bottles is convenient to operate and convenient to move and carry.