An infant medicine feeder, including a pacifier, a protection plate, a connection disk, and a syringe. The protection plate is connected to the tail of the pacifier. The protection plate is connected to the syringe. The protection plate includes two rectangle holes, and one end of each of the rectangle holes is provided with a step. The pacifier, the protection plate, the connection disk, and the syringe are connected in series through socketing of corresponding axle holes; one surface of the connection disk facing the protection plate is provided with two elastic snaps corresponding to the two rectangle holes. The two elastic snaps of the connection disk are snapped in the steps. A liquid channel is formed from the cavity of the syringe to the forepart of the pacifier, and the outlet of the liquid channel is disposed at the flat surface of the forepart of the pacifier.