ABSTRACT
Objective To discuss the relationship of blood trace elements and children with recurrent respiratory infection in the lung-spleen-qi-deficiency, spleen-deficiency-hyperactive-liver-fire types.[Methods] Select 150 children with recurrent respiratory tract infection in the lung-spleen-qi-deficiency, and 150 children in the spleen-deficiency-hyperactive-liver-fire. Checking serum blood zinc, iron, calcium, magnesium, copper levels in both groups. Select 220 normal children in out-patient physical examination in the same period.[Results] Blood zinc, iron, calcium content of two syndromes of traditional Chinese medicine was significantly lower than those of healthy children in the control group. Compared with the two Chinese medicine syndromes, zinc, iron, calcium, magnesium, copper, there were no significant differences between them. [Conclusion]Children with recurrent respiratory infection exist a lack of trace elements, the syndromes of traditional Chinese medicine and trace elements are not positive, negative correlation.