There is no fixed value for the exact recovery time for respiratory distress plus infection in preterm babies, it is mainly related to whether the preterm baby has complications and other factors, if there is no serious complication recovery may be around 3 weeks to 4 weeks, if there is a serious complication it may take around 8 weeks to 10 weeks. Since preterm babies are newborns who are not born at full term, they may develop respiratory distress syndrome, which can lead to respiratory distress and even respiratory failure in severe cases. If respiratory distress plus infection in preterm infants is detected in time and actively treated, and there are no more serious complications, usually through the ventilator treatment for about 3 weeks to 4 weeks, there may be improvement; if the complications of preterm infants are more serious, the recovery time will be later, and it will take about 8 weeks to 10 weeks. Therefore, if a preterm baby is found to have distress syndrome and infections, it needs to be treated early for better results later.