The invention relates to the field of infusion auxiliary equipment, in particular to a multifunctional children's infusion vehicle, which includes a vehicle body, an accommodating tank is provided on the vehicle body, an infusion rod is arranged on the vehicle body, and an infusion device is provided at the free end of the infusion rod, and the infusion device includes a frame, detector and recognizer, the placement frame is in the shape of a cylinder; the detector includes a detection box, contrast backplane, light source and camera, and the recognizer includes a controller, counter, timer and alarm. The present invention gives an alarm when the dripped water drops are few enough to meet the requirements, timely discovers the stagnant situation in the infusion dropper, detects air in the infusion dropper in advance, and avoids blood backflow caused by the infusion droplet entering air.