The invention discloses a multifunctional dual pet necklace which is characterized in that the upper portion of a necklace buckle of a left pet necklace is provided with a box, a comb for combing pet hair is arranged in the box, and the box is hinged to a box cover through a hinge. The top surface of the box cover is provided with a two-dimensional code, and the upper portion of the two-dimensional code is provided with a protective film. The lower portion of the left pet necklace is provided with a strip cavity, liquid soap is positioned in the strip cavity, the lower portion of the left end of the strip cavity is provided with a liquid outlet nozzle, and the outer portion of the liquid outlet nozzle is provided with a nozzle cover. The middle of the right end of the left pet necklace is provided with an elastic connecting band, the right end of the elastic connecting band is connected with the middle of the left end of a right pet necklace, and the structure of the right pet necklace is the same as that of the left pet necklace. According to the multifunctional dual pet necklace, the problem that a pet master cannot protect, control or pull two pets simultaneously due to the facts that the two pets run around can be solved, the pets are beautified and are prevented from being lost, and the physical health level of the pet master is improved.