Neutrophil count of 7.22×10∧9/L is considered as elevated neutrophil count, which may be physiological or bacterial infection, if bacterial infection, anti-infection treatment is needed. The normal value of neutrophil count in routine blood test is 1.8~6.3×10∧9/L, which accounts for 40%~75% of the white blood cell count, and higher than this range is the increase of neutrophil count. 1. Physiological increase of neutrophils is mostly mild, which can be seen in late pregnancy, strenuous exercise, full meal or high temperature. 2. Neutrophil 7.22, the total number of white blood cells is higher than 10, accompanied by fever, sore throat, muscle aches and pains and other symptoms, considering the existence of acute infections, commonly found in acute suppurative infections, such as staphylococcus aureus infection, hemolytic streptococcus infection. It is necessary to use sensitive antibiotics for anti-infection treatment according to the experience under the guidance of the doctor. If the neutrophil is 7.22, no other symptoms can be observed without treatment.