The invention discloses a foldable swing bed for infants. The foldable swing bed comprises a main support frame and two support legs. The main support frame comprises a horizontal frame, vertical connecting seats are fixedly connected with two ends of the horizontal frame, the upper ends of the two support legs are hinged to the lower ends of the two vertical connecting seats, each support leg can be turned over and folded towards the inner side of the main support frame relative to the corresponding vertical connecting seat, and support leg locking assemblies for locking the support legs are arranged on the vertical connecting seats; a swing bed assembly capable of swinging between the vertical connecting seats is arranged between the two vertical connecting seats in a rotationally connected manner. The foldable swing bed has the advantages that the support legs of the foldable swing bed can be folded after being unlocked by the support leg locking assemblies, and the foldable swing bed is small after the support legs are folded and is particularly convenient to carry.