Stroller

The utility model discloses a stroller suitable for sitting or laying and protecting the cervical vertebra of a baby. The stroller comprises a vehicle frame, wherein a cushion 4, a backrest 2, a pedal 5 and an armrest 1 are arranged, and is characterized in that the backrest 2 and the pedal 5 are movably and respectively hinged to the cushion 4, the backrest 2 and the pedal 5 are movably connected through a hinge arm 3, the vehicle frame is provided with a screw mechanism for changing the angle of the backrest 2 and an adjusting motor 7 controlled by a single-chip microcomputer, the adjusting motor 7 is connected with the hinge arm 3 through the screw mechanism, and a switch 13 connected with the single-chip microcomputer is arranged on the armrest 1. The stroller is simple in structure, is manufactured based on massage and ergonomics and realizes conversion of sitting and lying by motor. The stroller protects the cervical vertebra of a baby and is in favor of skeletal development of a baby.