The causes of enteritis in six-month-old babies are mainly the following: first, because the six-month-old baby itself is relatively fragile gastrointestinal tract, if the diet is unclean, it is easy to cause some symptoms of infection of the gastrointestinal tract. The second aspect, due to different feeding habits, temporary replacement of some different brands of milk powder or add some supplementary food, causing the baby’s gastrointestinal tract discomfort symptoms. The third aspect, due to the feeding process did not do a good job in the bottle, nipple sterilization, cleaning work and feeding before the adult did not carry out hand cleaning and other such small details, sometimes the easy contamination of some bacteria, will cause the baby’s enteritis.