Vitamin AD drops for newborns need to be selected according to the needs of newborns to choose the appropriate specifications and solvents of vitamin AD drops, there is no so-called “which is good”, the choice of the appropriate is good. Vitamin AD drops are compound preparations, with different specifications, their vitamin A and vitamin D content is different. Because of the individual variability of infants’ sensitivity to vitamin D, some infants are very sensitive to small doses of vitamin D. Therefore, it is necessary to choose the appropriate specifications for supplementation according to the specific conditions of newborns. In addition, vitamin AD drops are used by dissolving vitamin A and vitamin D in oil, and different vitamin AD drops use different solvents. The choice generally needs to be based on the newborn’s constitution and needs. Vitamin AD drops are vitamin drugs. Appropriate supplementation of newborns with vitamin AD drops can prevent and treat vitamin A and D deficiencies, such as rickets, night blindness and pediatric tetany. It should be noted that, when using vitamin AD drops for newborns, the medication should be used under the guidance of a doctor, and not blindly and indiscriminately supplemented. It is recommended to go to the hospital to test the content of vitamins and trace elements, and then choose the appropriate vitamin AD drops medication to supplement the middle.