Chlamydia pneumoniae is weakly positive, if it is protective antibody, no acute infection generally do not need treatment, if it is in the infected period, you should take appropriate treatment measures in time. 1. Chlamydia pneumoniae weak positive does not need treatment: if the IgG weak antibody positive, IgM antibody negative, on behalf of the body has been infected with Chlamydia pneumoniae, through their own immunity or after treatment, the body has been restored, if the body does not have any uncomfortable symptoms, there is no need to take therapeutic measures. 2. Weakly positive Chlamydia pneumoniae requires treatment: If the antibody is weakly positive for IgG and positive for IgM, and the body has cough, sputum, chest pain, dyspnea and other infections, it is necessary to take appropriate anti-infective measures (azithromycin, clarithromycin) and symptomatic treatment in combination with clinical symptoms. Whether treatment is needed or not, should go to the hospital for further examination, and follow the doctor’s advice to decide.