A total leukocyte count of 10.01 x 10⁹/L is usually not serious, but it should still be a cause for alarm and should be reviewed promptly. The total number of white blood cells in healthy adults is (4~10)×10⁹/L. The total number of white blood cells in this patient, 10×10⁹/L, is only slightly higher than the normal value, which may be caused by physiological reasons, or by minor infections, traumas, hemorrhages, and diseases of the blood system. 1. Physiological reasons: the human body’s white blood cells are temporarily elevated after strenuous exercise, after a full meal, after a shower, in hot and cold temperatures or environments, and in the late stages of pregnancy or childbirth. 2. Pathological reasons: If you encounter minor infections, bleeding, trauma, and leukemia and other blood system diseases, white blood cells will also appear slightly elevated. In addition to slightly elevated white blood cells, if the patient has other clinical symptoms, it is recommended to complete other examinations and carry out targeted treatment under the guidance of the doctor.