For preterm babies around 35 weeks, if the birth weight reaches 2kg, or even reaches 2.5kg or more, without the performance of hypoglycemia, hypothermia, etc., they can be put in the incubator without the incubator, and putting the incubator needs to be based on the individual situation of the child. If the birth weight of premature babies below 2kg, unstable temperature, or neonatal sclerosis, it is recommended to put in the incubator for a period of time to observe the child’s condition. The indications for leaving the incubator are that the child’s weight has increased to more than 2kg, the child is in good condition in all aspects, the vital signs are stable, and the body temperature is stable within the normal body temperature range. In addition, if the child feeding aspects are relatively smooth, also indicates that the child has reached the exit signs, that is, the child can be removed from the incubator to the mother’s side.