Mycoplasma is a microorganism between a virus and a bacterium, and infection to the human body will cause a series of physical diseases in the human body. The symptoms of mycoplasma infection in children depend on the location of the infection, most commonly respiratory tract infections, then coughing, fever, loss of appetite, depression and other symptoms will appear. If mycoplasma is infected in the urinary system, there will be a series of symptoms such as frequent urination, urgent urination, and stinging urination. There is also the possibility of mycoplasma infection of the central nervous system, resulting in mycoplasma encephalitis, which can have fever, impaired consciousness, cranial hypertension, and convulsive episodes. Mycoplasma pneumonia in children may present with persistent high fever, severe cough and sputum, which may be accompanied by wheezing, poor mental health, and a cough that gradually worsens and becomes more frequent, and may produce respiratory distress if not treated symptomatically. Mycoplasma infection can lead to a series of complications, such as myocarditis, nephritis, meningitis and other diseases. Mycoplasma antibodies can be used to help diagnose mycoplasma. When parents find that their children have the above symptoms, they should be highly suspicious of mycoplasma infection, and need to go to the hospital for systematic treatment in a timely manner. Keep the living environment clean and airy, and teach children to pay more attention to personal hygiene.