Collapsible stroller

The foldable four-wheel the baby carriage, comprising a bendable between the frame for folding and running gear strip. The frame comprises a rotatable is a wheel, a pitching mechanism of output four-wheel baby frame with the removability. The saddle seat (, wherein said on the frame, a admitting saddle. At least one part of the saddle seat is capable between the way of the first and second positions movably mounted, wherein said on the frame. The latch mounting, wherein said upper frame and seat. The latch of which the seat fixed on the first position; said of the latch, and seat frame and such structure, namely, wherein the seat on the first position when the frame is a folding is from the running state, the formed in the seat of enables, the seat absorbing to the second position.