The invention discloses an adjustable baby trolley. The adjustable baby trolley comprises a push rod, a support, a bottom plate and a bassinette. The bassinette is located at the middle end of the support. The push rod is located at the top of the support. An enclosing frame is arranged at the top of the bassinette. The left side of the bottom plate is movably connected with a foldable rack. Sliding grooves are formed in the foldable rack. The foldable rack is movably connected with the support through one end of a supporting rack. First snap-fasteners are arranged at the other end of the supporting rack. The snap-fasteners are clamped with through holes. Telescopic racks are arranged on the left side of the enclosing frame in a sleeving mode. Second snap-fasteners are arranged on the sides, located inside the enclosing frame, of the telescopic racks. A safe rack is arranged on the right sides of the telescopic racks. Safe covering cloth is fixedly connected with the bottom of the safe rack. A covering cloth fixing frame is bound with the bottom of the safe covering cloth. Travelling wheels are arranged at the bottoms of the two sides of the support. The adjustable baby trolley is simple in structure, convenient to operate and capable of saving cost and achieving the two-in-one effect of half lying and full lying, and thus babies can grow up more healthily.