One month premature birth may have the following effects on the baby, such as breathing problems, eating problems, hearing and visual problems, jaundice, affecting vaccinations, etc., as follows: 1, breathing problems: children born one month prematurely, because the lungs are not yet mature, after birth most can not breathe normally on their own, with the help of ventilators to breathe, and premature newborns are susceptible to respiratory diseases. 2, eating problems The baby is born prematurely because of the lack of sucking ability, usually can not eat on their own, need to insert a gastric tube, to be weight to four pounds or more than four pounds, can be bottle-fed, but sucking ability will be weaker. 3, hearing and vision problems: because the premature baby’s visual system is not mature, it is easy to retinopathy, it is necessary to carry out several fundus examinations, found that the problem should be treated in a timely manner, and at this time Hearing system and nervous system are not mature, so hearing examination and MRI are needed to check the development of the brain. 4, jaundice: premature babies are especially prone to jaundice and other diseases. 5, affect vaccination: premature babies usually cannot receive vaccinations on time, such as BCG vaccine, because their weight is not up to standard.