A child’s fever once a month in the clinic is mainly seen in two cases: First, the baby just into the nursery, just into the nursery children will often cold fever in the first six months, almost once a month, the main reason is the nursery institutions within the cross-infection between the children, through the time and again the infection so that the child’s ability to fight disease gradually strengthened, a lot of children into the nursery will have such a process. Second, the baby resistance is relatively low, belongs to the susceptible group, the common cause of the disease is the lack of micronutrients such as zinc deficiency, calcium deficiency, zinc deficiency can make the respiratory tract immunity decline, resulting in repeated infections, especially with nutritional anemia of the child is also susceptible. If your child is sick once a month, check the blood count and trace elements, correct anemia if any, and supplement with zinc and calcium deficiency as prescribed by the doctor.