As babies’ own resistance and immunity are relatively low, they are easily infected by mycoplasma. The symptoms caused by mycoplasma infection in babies are also relatively obvious, such as fever, cough, chills, headache, sore throat, anorexia, sub-sternal pain and other symptoms, of which fever and cough are the main symptoms. After the baby is infected with mycoplasma, the phenomenon of coughing will generally occur, and this cough will slowly change into a stubborn and more violent cough, most of which is dry cough without sputum, and some will have a small amount of sticky sputum. And mycoplasma enter the body of the baby will not immediately after the onset, there is a certain incubation period, incubation time is relatively long, can be up to a few weeks. Most babies will have symptoms of pharyngitis, rhinitis, bronchitis and bronchiolitis, which manifests itself in a series of symptoms such as generalized fever, headache, loss of appetite and so on. If the mycoplasma infection is not treated in time, the baby will have difficulty in breathing, and the symptoms of wheezing, and may even develop into mycoplasma pneumonia, and organ lesions outside the respiratory tract. Mycoplasma infection is very harmful to the baby’s body, so it must be timely treatment, and to keep the living environment fresh air, keep the baby’s respiratory tract open, drink more water, reasonable nutrition.