Mycoplasma pneumoniae antibody 1:80 means that Mycoplasma pneumoniae antibody was detected at a dilution of 1:80, suggesting the presence of Mycoplasma pneumoniae infection. Normal Mycoplasma pneumoniae antibody titer should be less than 1:40, and if the test result shows a titer of 1:80, it usually indicates the presence of a recent Mycoplasma pneumoniae infection. Mycoplasma pneumonia is a common clinical respiratory infection, and is more common in children aged 5 to 15 years. The disease is primarily transmitted through the respiratory route and can cause respiratory and lung damage. During the illness, patients usually experience clinical symptoms such as fever, cough, sore throat, and headache. Mycoplasma pneumonia is mostly curable if the treatment is timely and standardized. Patients should bring the test results to the doctor for timely consultation and active treatment under the doctor’s guidance.