Leukocytes 15×10^9/L and ultrasensitive C-reactive protein 105mg/L, the patient is considered to have bacterial or viral infection and inflammatory response. The normal value of leukocytes is (4-10) x 10^9/L, the main components include neutrophils, lymphocytes, eosinophils, basophils and so on, the role in the body is mainly to fight against diseases, when the value of leukocytes is high firstly look at which value is high. If neutrophils are high, consider bacterial infection, lymphocytes consider viral infection, eosinophils consider allergic reaction and basophils consider leukemia. The normal value of ultra-sensitive C-reactive protein is 0.06-10mg/L, which mainly reflects the inflammatory reaction of the body. 105mg/L is considered to be higher than the normal value, and when the patient has a bacterial or viral infection, an allergic reaction, or leukemia that may lead to the elevation of leukocytes, the ultra-sensitive C-reactive protein will be elevated as well. Abnormal test results should be treated promptly.