High neutrophils in pregnant women may be a normal immune response or caused by bacterial infections, which need to be treated symptomatically by examining and clarifying the cause. I. Physiological causes: After pregnancy, the maternal immune system will produce a compensatory response to increase the proportion of neutrophils, which helps women during pregnancy to prevent the occurrence of bacterial infectious diseases. In addition, strenuous exercise, labor, full meals, after bathing, cold or high temperature, can make it temporarily elevated, generally will not affect the body and fetus, can first observe, no special treatment. Pathological causes: 1, upper respiratory tract infections: such as rhinitis, pharyngitis, etc., mostly caused by viral and bacterial infections, cold, fatigue, low immunity can also cause related symptoms, so that neutrophils are high, no treatment when the symptoms are mild, pay attention to rest, drink more water, keep the nasopharynx clean and hygienic; 2, urinary tract infections: Escherichia coli and other pathogenic bacteria upstream infection, causing neutrophils to rise, can follow medical advice Cautiously apply amoxicillin and sulbactam for antibacterial treatment. Pay attention to the cleanliness of the perineum in daily life, change underwear regularly and avoid unclean sex. Develop regular habits of work and rest, balanced nutrition, and increase activities appropriately to enhance resistance. Regular medical check-ups and timely medical consultation in case of abnormalities.