The invention relates to the technical field of clothes, and discloses children clothes with a positioning function. The children clothes comprise a clothes body, a coat pocket is arranged on the front side of the clothes body, a water-proof cover is arranged on the portion, in the coat pocket, on the outer side of the clothes body, and a positioner is arranged in the water-proof cover; the positioner comprises a shell, a chip positioning cavity and a cell positioning cavity are formed in the shell, a GPS chip is arranged in the chip positioning cavity, a button cell for supplying power to the GPS chip is arranged in the cell positioning cavity, and a concave-convex button zipper is arranged at the opening end of the water-proof cover. When a child wears the clothes, an APP corresponding to the GPS chip is installed in a mobile phone of a parent, the specific position information of the child can be obtained in real time through the APP, and when the child is out of touch, the parent can quickly find the child through the positioning of the APP to the GPS chip; the water-proof cover has a water-proof protection effect on the positioner, and rainwater, perspiration and the like are prevented from entering the positioner.