A 1:80 positive antibody to Mycoplasma pneumoniae in a child is usually not serious, but it can clarify the presence of Mycoplasma infection in a child. A mycoplasma antibody titer of 1:32 or less is considered normal, while a titer greater than 1:32 is considered positive. A positive Mycoplasma pneumoniae antibody titer of 1:80 indicates the presence of Mycoplasma infection in the body, but since Mycoplasma infection is relatively common in daily life, even respiratory symptoms caused by Mycoplasma infection can be completely cured. Patients mainly present with fever, irritating dry cough and sore throat. For children with Mycoplasma pneumoniae preferred macrolide antibiotics such as azithromycin, erythromycin and so on. Daily life let the child eat more fresh fruits and vegetables, avoid spicy stimulating food, pay attention to keep warm to avoid cold. It is recommended that children with any discomfort promptly consult the doctor, under the guidance of the doctor active treatment.