Blood test cannot tell whether it is Mycoplasma pneumonia or not. Whether the patient is mycoplasma pneumonia needs to carry out the Mycoplasma pneumoniae IgM antibody test and chest X-ray examination, and then according to the clinical manifestations to confirm the diagnosis, blood routine can not see whether the mycoplasma pneumonia. Mycoplasma pneumonia patients usually have irritating cough, sputum, fever and other clinical manifestations, routine blood tests usually have no specific changes, Mycoplasma pneumoniae IgM antibody test is positive, chest X-ray or CT examination can be seen in the thickening of lung texture, lattice shadow, patchy exudate, buds and other manifestations. Patients with Mycoplasma pneumonia should go to the hospital in a timely manner to complete the relevant examinations and symptomatic treatment under the guidance of a specialist.