A child’s tonsils pus once every half a month may be related to infection, low immunity, improper care and so on. 1. Infection: a child’s tonsils half a month pus once more to consider with the infection, suffered bacterial or viral microbial infection, the child’s tonsils will be repeated pus, such as the transformation into a chronic disease, there will also be repeated pus tonsil symptoms. 2. low immunity: children’s tonsils half a month pus can be considered poor immunity, pathogens invasion after a large number of breeding, resulting in repeated attacks. 3. Improper care: the small child tonsils half a month pus is also related to the parents of improper daily care, such as parents do not according to the weather changes to the child to increase or decrease the clothes, did not give the child to prepare the appropriate diet, do not pay attention to the child’s daily rest, and so on, are prone to cause recurrence of the disease. It is recommended that parents should take their children to the hospital in time to find out that their tonsils are pus-filled, under the guidance of the doctor to actively treat the child, and help the child to do a good job of life care work.