A child stroller comprising a stroller frame having an unfolded state and a first folded state, first wheel assemblies, second wheel assemblies, a lock mechanism for locking the stroller frame in the unfolded state, and a seat rod disposed on the stroller frame, wherein the stroller frame comprises a left support frame on a left side, a right support frame on a right side, and a connection frame connected between the left support frame and the right support frame, wherein, each of the left support frame and the right support frame comprises: a first bottom frame, with a lower end portion connected to one of the first wheel assemblies; a second bottom frame, being a telescopic rod assembly, and comprising an upper rod with a lower end portion connected to one of the second wheel assemblies and a lower rod disposed below the upper rod and slidably connected to the upper rod in an up-down direction; a side rod, with a lower end portion, and two of an upper end portion of the first bottom frame, an upper end portion of the upper rod and the lower end portion of the side rod are rotatably connected, and the third thereof is rotatably connected to one of the two; a supporting rod, rotatably connected to the upper rod via a first shaft; a push rod, with a lower portion being connected to an upper end portion of the side rod; and a connection rod, extending in a front-rear direction when the stroller frame is in the unfolded state, and with an end portion rotatably connected to a lower portion of the first bottom frame via a second shaft; when the stroller frame is in the unfolded state, one of the first bottom frame and the second bottom frame is inclined upward from front to rear, and the other one is inclined upward from rear to front; characterized in that: the push rod is further connected to an upper end portion of the supporting rod, and the connection rod is rotatably connected to the supporting rod via a third shaft. a first bottom frame, with a lower end portion connected to one of the first wheel assemblies; a second bottom frame, being a telescopic rod assembly, and comprising an upper rod with a lower end portion connected to one of the second wheel assemblies and a lower rod disposed below the upper rod and slidably connected to the upper rod in an up-down direction; a side rod, with a lower end portion, and two of an upper end portion of the first bottom frame, an upper end portion of the upper rod and the lower end portion of the side rod are rotatably connected, and the third thereof is rotatably connected to one of the two; a supporting rod, rotatably connected to the upper rod via a first shaft; a push rod, with a lower portion being connected to an upper end portion of the side rod; and a connection rod, extending in a front-rear direction when the stroller frame is in the unfolded state, and with an end portion rotatably connected to a lower portion of the first bottom frame via a second shaft; when the stroller frame is in the unfolded state, one of the first bottom frame and the second bottom frame is inclined upward from front to rear, and the other one is inclined upward from rear to front; characterized in that: the push rod is further connected to an upper end portion of the supporting rod, and the connection rod is rotatably connected to the supporting rod via a third shaft. the push rod is further connected to an upper end portion of the supporting rod, and the connection rod is rotatably connected to the supporting rod via a third shaft.