A stroller frame, comprising a handle assembly, a stroller folding mechanism, a handrail assembly, a front foot assembly, a rear foot assembly, a seat assembly, and an unlocking mechanism; wherein a first rotating shaft and a second rotating shaft are provided at intervals on the stroller folding mechanism, wherein the stroller folding mechanism is hinged to the handle assembly through the first rotating shaft, and the stroller folding mechanism is hinged to one end of the handrail assembly through the second rotating shaft; the handle assembly is hinged to the rear foot assembly through a third rotating shaft, wherein the rear foot assembly is provided with a fourth rotating shaft, and one end of the handrail assembly away from the stroller folding mechanism and one end of the front foot assembly are both hinged to the rear foot assembly through the fourth rotating shaft; one side of the seat assembly is hinged to the handle assembly through a fifth rotating shaft, and the other side is hinged to the front foot assembly through a sixth rotating shaft; a locking mechanism is provided on the handle assembly, wherein the locking mechanism and the first rotating shaft are arranged at intervals, a locking portion matched with the locking mechanism is provided on the stroller folding mechanism, and the locking mechanism is configured to be connected to the locking portion when the stroller frame is unfolded, so as to limit a rotation of the stroller folding mechanism about the first rotating shaft relative to the handle assembly; and the unlocking mechanism is connected to the locking mechanism, for driving the locking mechanism away from the locking portion, so as to unlock the locking mechanism and the locking portion. wherein a first rotating shaft and a second rotating shaft are provided at intervals on the stroller folding mechanism, wherein the stroller folding mechanism is hinged to the handle assembly through the first rotating shaft, and the stroller folding mechanism is hinged to one end of the handrail assembly through the second rotating shaft; the handle assembly is hinged to the rear foot assembly through a third rotating shaft, wherein the rear foot assembly is provided with a fourth rotating shaft, and one end of the handrail assembly away from the stroller folding mechanism and one end of the front foot assembly are both hinged to the rear foot assembly through the fourth rotating shaft; one side of the seat assembly is hinged to the handle assembly through a fifth rotating shaft, and the other side is hinged to the front foot assembly through a sixth rotating shaft; a locking mechanism is provided on the handle assembly, wherein the locking mechanism and the first rotating shaft are arranged at intervals, a locking portion matched with the locking mechanism is provided on the stroller folding mechanism, and the locking mechanism is configured to be connected to the locking portion when the stroller frame is unfolded, so as to limit a rotation of the stroller folding mechanism about the first rotating shaft relative to the handle assembly; and the unlocking mechanism is connected to the locking mechanism, for driving the locking mechanism away from the locking portion, so as to unlock the locking mechanism and the locking portion.