Mycoplasma pneumonia is somewhat self-limiting. Pregnant women with mycoplasma pneumonia should choose observation or medication depending on the presence or absence of symptoms. Mycoplasma pneumonia is an acute inflammatory change in the respiratory tract and lungs caused by mycoplasma infection, some of the symptoms are mild and most of the mild cases can be cured by themselves without treatment. When a persistent dry cough, fever, fatigue, chest pain and other symptoms during pregnancy should be promptly to the hospital, according to the condition of timely drug treatment, early use of antibiotics can reduce symptoms, shorten the course of the disease, commonly used antibiotics are macrolides such as erythromycin, azithromycin and so on. The main adverse reactions of macrolide antibiotics are nausea, vomiting, diarrhea, skin rash, anorexia, etc. It is recommended to take 2 hours after meals, and it is forbidden to use it for those who are allergic to macrolides. Pregnant women with mycoplasma pneumonia should go to the hospital in a timely manner and be given appropriate treatment under the advice of a doctor.