Infant bronchitis main performance: 1, fever: fever is divided into high fever, low fever, moderate fever, ultra-high fever, generally high fever 39 ℃ – 41 ℃ is called high fever, generally below 38 ℃ is called low fever. High fever may be easy to find that the child will have a problem, but when low fever is present, it is not easy to find that the child has a problem. It is recommended that you must use a thermometer to test the child’s temperature to determine what the temperature is, and you cannot feel it by hand because it is difficult to determine by hand, or you do not have full experience and it is difficult to determine whether the child is feverish or not; 2. It is sometimes difficult for parents to distinguish between cough and wheezing because the child is small. If you feel that your child is not in a good state of mind. At this time, it is recommended to go to the hospital as soon as possible to see the child’s condition and come to the regular hospital for relevant examinations to determine the severity of his bronchitis.