The invention discloses a two-abreast baby stroller, which simplifies the folding operation steps and has a small folding size. The two-abreast baby stroller comprises front brackets, rear brackets, upper connecting rods, upper push rods, lower push rods and connecting rod assembles. A front seat mechanism is arranged on the front brackets. Two parts of the upper ends of the front brackets, the upper ends of the rear brackets and the lower ends of the upper connecting rods are rotationally connected, and the third part is rotationally connected to at least one of the two parts. The lower partsof the upper push rods are rotationally connected with the upper ends of the upper connecting rods. The upper ends of the lower push rods are rotationally connected with the lower ends of the upper push rods, and the lower parts of the lower push rods are rotationally connected with the rear brackets. The connecting rod assembles are composed of front connecting rods rotationally connected with the front brackets and rear connecting rods rotationally connected with the rear brackets, and the rear ends of the front connecting rods are rotationally connected with the front ends of the rear connecting rods. The lower ends of the lower push rods are rotationally connected with the connecting rod assembles. The front seat mechanism comprises front seat rods and front seat rod connectors. The front seat rods are rotationally connected with the front brackets. The front seat rod connectors are rotationally connected with the front seat rods. The front seat rod connectors are rotationally connected with the connecting rod assembles.