It is usually not serious, and a weak positive Mycoplasma pneumoniae infection may be due to a previous infection with Mycoplasma, or a recent Mycoplasma infection. Combine this with the patient’s current clinical symptoms and analyze further. If the patient does not have any clinical symptoms, consider the previous infection, at this time no special treatment, if the patient has fever, cough, dizziness, depression, nausea and other symptoms, currently considered acute mycoplasma infections, and to observe the mycoplasma antibody in the near future there is no dynamic change, if there is a change of more than 4-fold, the clinical considerations for the near future of mycoplasma infections, can be used macrolides Antibiotics, azithromycin, erythromycin, or quinolone antibiotics, such as levofloxacin and moxifloxacin, can be used.