Baby carriage frame

The invention discloses a baby carriage frame which comprises a front foot carriage frame and a rear foot carriage frame, and the upper end of the rear foot carriage frame is hinged to the upper end of the front foot carriage frame. The front part of the seat frame is hinged with the front foot frame; the lower end of the handle assembly is hinged to the upper end of the rear foot frame; the control system enables the frame to be unlocked, folded or unfolded and locked, and comprises a locking assembly and an unlocking assembly arranged on the handle assembly; the sliding block is arranged on the rear foot frame and can be locked and fixed or unlocked to slide; the linkage rod is hinged to the handle assembly and the sliding block, and the rear portion of the seat frame is hinged to the linkage rod; and after being unlocked, the sliding block can slide and drive the front foot frame, the seat frame and the handle assembly to be close to and folded towards the rear foot frame. Folding of the front foot stool,