A child stroller apparatus includes a rear leg frame having a first side segment fixedly connected with a first coupling part, a front leg frame having a second side segment fixedly connected with a second coupling part, a handle frame having a third side segment fixedly connected with a third coupling part, the second and third coupling parts being respectively connected pivotally with the first coupling part, a front guard pivotally connected with the first coupling part, a first linking assembly rotationally coupling the second side segment with the third side segment, and a second linking assembly rotationally coupling the front guard with the second side segment. The front leg frame, the handle frame and the front guard are linked and rotatable relative to the rear leg frame during folding and unfolding of the child stroller apparatus.